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omr-ws-50e7931d7889716e0a660914d973ca4bdefa519833ac8978b29b9a7b788cbab4
With the restriction $0 < t < \pi/2$, find the largest $t$ such that $a(t) = 2$.
[ "\\arctan(2)" ]
[ "With the restriction $0 < t < \\pi/2$, find the largest $t$ such that $a(t) = 2$." ]
[ "aops_c7_college_math" ]
[ "cot", "genselect" ]
{ "cot": 9, "genselect": 4 }
13
0
0
omr-ws-babf28d60476baf1b72340105fabaf90cf917b5dbab3b8498b383c96236a6da0
With the restriction $0 < t < \pi/2$, find the smallest $t$ such that $a(t) = 2$.
[ "\\dfrac{\\pi}{4}" ]
[ "With the restriction $0 < t < \\pi/2$, find the smallest $t$ such that $a(t) = 2$." ]
[ "aops_c7_college_math" ]
[ "cot", "genselect" ]
{ "cot": 7, "genselect": 7 }
14
0
0
omr-ws-c7c1a8a5ed10fd87a13a92ace1642caba06e9f4006a9745490d0157ef4d667a5
With the same settings as IMO 2022 Problem 1, we randomly generated an initial configuration of $n=2022$. Assume $k=2022$, and it takes $x$ operations to first reach the final configuration (the leftmost $n$ coins are all of the same type). Estimate $x^2$.
[ "1022121" ]
[ "With the same settings as IMO 2022 Problem 1, we randomly generated an initial configuration of $n=2022$. Assume $k=2022$, and it takes $x$ operations to first reach the final configuration (the leftmost $n$ coins are all of the same type). Estimate $x^2$." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 4, "genselect": 3 }
7
0
0
omr-ws-3b81e316a2e42486deb83140de5db6f633916b3560979fa1290ca4476f1d2035
With the three digits of the integer 142, there are six two-digit positive integers that can be formed. When the sum of those two-digit integers is divided by the sum of the three digits of the original three-digit integer, the result is 22. When the same thing is done with the \( k \) digits of a \( k \)-digit integer...
[ "7", "\\( k = 7 \\)" ]
[ "With the three digits of the integer 142, there are six two-digit positive integers that can be formed. When the sum of those two-digit integers is divided by the sum of the three digits of the original three-digit integer, the result is 22. When the same thing is done with the \\( k \\) digits of a \\( k \\)-digi...
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 32, "tir": 2 }
34
0
0
omr-ws-72111d0d672c74e1dd66b384f40e6ac7240cbd3466c1f537306911cab3588ff5
With the wind blowing from the northeast, a certain sailboat can travel north at 5 knots, south at 12 knots, east at 6 knots, and west at 11 knots. How fast can the boat travel south with the same strength wind out of the northwest?
[ "7" ]
[ "With the wind blowing from the northeast, a certain sailboat can travel north at 5 knots, south at 12 knots, east at 6 knots, and west at 11 knots. How fast can the boat travel south with the same strength wind out of the northwest?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 6 }
6
0
0
omr-ws-40d7314e652f41c7c5eb750ee2315324e707ce9f8b1eb4f2d9e78bc4417f156c
With three different digits, all greater than $0$, six different three-digit numbers are formed. If the sum of these six numbers is $4218$, and the sum of the three largest numbers minus the sum of the three smallest numbers equals $792$, find the three digits.
[ "\\(8, 7, 4\\)" ]
[ "With three different digits, all greater than $0$, six different three-digit numbers are formed. If the sum of these six numbers is $4218$, and the sum of the three largest numbers minus the sum of the three smallest numbers equals $792$, find the three digits." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 8, "tir": 28 }
36
0
0
omr-ws-62b8b08cf2b1af643a4ace0a8b8124f2b4220628b4c14828d515bd38f8d68fa6
With three different digits, six different three-digit numbers are formed. If these six numbers are added, the result is 4218. The sum of the three largest numbers minus the sum of the smallest three equals 792. Find the three digits.
[ "9, 8, 2" ]
[ "With three different digits, six different three-digit numbers are formed. If these six numbers are added, the result is 4218. The sum of the three largest numbers minus the sum of the smallest three equals 792. Find the three digits." ]
[ "aops_c4_high_school_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-0cc4f4a2c9942f019ba6bdee7818d3bb58cff01b3bccfa5f71ec4072a0fdb0e8
With three different digits, six-digit numbers are written that are multiples of $3$. One digit is in the unit's place, another in the hundred's place, and the third in the remaining places. If we subtract two units from the hundred's digit and add these to the unit's digit, the number remains composed of the same digi...
[ "222312" ]
[ "With three different digits, six-digit numbers are written that are multiples of $3$. One digit is in the unit's place, another in the hundred's place, and the third in the remaining places. If we subtract two units from the hundred's digit and add these to the unit's digit, the number remains composed of the same...
[ "aops_c4_high_school_math" ]
[ "tir" ]
{ "tir": 1 }
1
0
0
omr-ws-cc19064cef23239efa77ad75dea30796f7d3479b90ec825bd08a900624c5a407
With two equal pyramids with a square base and all their edges equal, a regular octahedron is formed by gluing the two bases together. On each edge of the octahedron, two points are marked that divide them into three equal segments. The 24 marked points are the vertices of a new polyhedron, which cuts out six small equ...
[ "204" ]
[ "With two equal pyramids with a square base and all their edges equal, a regular octahedron is formed by gluing the two bases together. On each edge of the octahedron, two points are marked that divide them into three equal segments. The 24 marked points are the vertices of a new polyhedron, which cuts out six smal...
[ "aops_c4_high_school_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-dc0da8a01c0e35230b91904550a9223410e47f26b31b375214e8ad84f2c7687c
Within a convex quadrilateral \(ABCD\), let \(X\) be a point such that its isogonal conjugate exists. If \(\angle AXB = 120^\circ\) and \(\angle CXD = \theta\), find the value of \(\theta\).
[ "60" ]
[ "Within a convex quadrilateral \\(ABCD\\), let \\(X\\) be a point such that its isogonal conjugate exists. If \\(\\angle AXB = 120^\\circ\\) and \\(\\angle CXD = \\theta\\), find the value of \\(\\theta\\)." ]
[ "aops_c6_high_school_olympiads" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-a02b41f1f779738253db8bee9b5038cfdb4c032b7c35ae5f3b7165757f147863
Within a given right angle, a given right-angled isosceles triangle \(ABC\) (\(\angle C = 90^\circ\)) moves in such a way that point \(A\) slides along one side of the angle, point \(B\) slides along the other. Find all possible positions of point \(C\).
[ "y = x" ]
[ "Within a given right angle, a given right-angled isosceles triangle \\(ABC\\) (\\(\\angle C = 90^\\circ\\)) moves in such a way that point \\(A\\) slides along one side of the angle, point \\(B\\) slides along the other. Find all possible positions of point \\(C\\)." ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 14 }
14
0
0
omr-ws-315e291d7d5f12808338cf18ebe77053dd093d635ac670f1a8ceb1104d51451f
Within a group of 2009 people, every two people have exactly one common friend. Find the least value of the difference between the person with the maximum number of friends and the person with the minimum number of friends.
[ "2006" ]
[ "Within a group of 2009 people, every two people have exactly one common friend. Find the least value of the difference between the person with the maximum number of friends and the person with the minimum number of friends." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 32, "tir": 1 }
33
0
0
omr-ws-01cb445d70df6ebcc528f4021bdc6955dda93e5fa843b5490fcb09684221e37c
Within a group of 2022 students, each student is assigned a number from 1 to 2022. Let $c_i$ be the number of friends of the $i$-th student. Find the largest possible value of the sum \[c_1 + c_2 + \dots + c_{2022}.\]
[ "202200" ]
[ "Within a group of 2022 students, each student is assigned a number from 1 to 2022. Let $c_i$ be the number of friends of the $i$-th student. Find the largest possible value of the sum \\[c_1 + c_2 + \\dots + c_{2022}.\\]" ]
[ "aops_c6_high_school_olympiads" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-007b4a17576460146ba8b452f50a8a350dce8fea25a44bf9a9e6bb3fd4e05fc0
Within a group of 2022 students, some pairs of them are friends, and friendship is always mutual. We know that every non-empty subset $S$ of the students satisfies the following property: there exists a student in $S$ which is friends with at most 100 members of $S$. Find the smallest positive integer $N$ such that it ...
[ "10505" ]
[ "Within a group of 2022 students, some pairs of them are friends, and friendship is always mutual. We know that every non-empty subset $S$ of the students satisfies the following property: there exists a student in $S$ which is friends with at most 100 members of $S$. Find the smallest positive integer $N$ such tha...
[ "aops_c6_high_school_olympiads" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-4a42ecafd92d8ebf2d273f3946e3ea063fb42ae6253e376a14a8224e34148e41
Within a table of $m$ rows and $n$ columns, a box is marked at the intersection of the $p$th row and the $q$th column. How many of the rectangles formed by the boxes of the table contain the marked box?
[ "\\( p \\cdot (m - p + 1) \\cdot q \\cdot (n - q + 1) \\)" ]
[ "Within a table of $m$ rows and $n$ columns, a box is marked at the intersection of the $p$th row and the $q$th column. How many of the rectangles formed by the boxes of the table contain the marked box?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 23 }
39
0
0
omr-ws-6c42c9e0430bd75c8f45e38fdfcc827ebb860cba897c1306104da76d99b0b72e
Within a unit circle \( \Gamma \), \( N \geq 3 \) segments are marked such that the sum of all these \( N \) lengths is equal to \( 2 \sqrt{N} \). Let \( r \) be the radius of the largest concentric circle to \( \Gamma \) that intersects at least two of these segments. Find the maximum possible value of \( r^2 \).
[ "" ]
[ "Within a unit circle \\( \\Gamma \\), \\( N \\geq 3 \\) segments are marked such that the sum of all these \\( N \\) lengths is equal to \\( 2 \\sqrt{N} \\). Let \\( r \\) be the radius of the largest concentric circle to \\( \\Gamma \\) that intersects at least two of these segments. Find the maximum possible val...
[ "aops_c6_high_school_olympiads" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
1
omr-ws-ec077710bfb34c228d80770d1db685aabbb88a99cc55ebb932e61390235e2366
Within an acute triangle \(ABC\), a point \(S\) is given such that \(\angle SAB = \angle SBC = \angle SCA\). The lines \(AS\), \(BS\), and \(CS\) intersect the circumcircles of triangles \(SBC\), \(SCA\), and \(SAB\) at points \(A_1\), \(B_1\), and \(C_1\) respectively. Calculate the minimum possible value of \(\frac{P...
[ "2" ]
[ "Within an acute triangle \\(ABC\\), a point \\(S\\) is given such that \\(\\angle SAB = \\angle SBC = \\angle SCA\\). The lines \\(AS\\), \\(BS\\), and \\(CS\\) intersect the circumcircles of triangles \\(SBC\\), \\(SCA\\), and \\(SAB\\) at points \\(A_1\\), \\(B_1\\), and \\(C_1\\) respectively. Calculate the min...
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 4, "genselect": 2 }
6
0
0
omr-ws-6cc41833b8aa8315e66097f9120c4edfb79ad9ba1cd45c3e934771bc4c4aac5b
Within an arithmetic progression of length 2005, find the number of arithmetic subprogressions of length 501 that do not contain the 1000-th term of the progression.
[ "1849" ]
[ "Within an arithmetic progression of length 2005, find the number of arithmetic subprogressions of length 501 that do not contain the 1000-th term of the progression." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 12, "genselect": 8 }
20
0
0
omr-ws-31252baa4ad90d649d5dd322e1722d7ccd17f5abc7804cd88bd8e76e0fe821fb
Within an equilateral triangle of side length 15, there are 111 points. Determine the minimum number of points that can always be covered by a circle of diameter $\sqrt{3}$, where part of the circle may lie outside the triangle.
[ "3" ]
[ "Within an equilateral triangle of side length 15, there are 111 points. Determine the minimum number of points that can always be covered by a circle of diameter $\\sqrt{3}$, where part of the circle may lie outside the triangle." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 4, "genselect": 1 }
5
0
0
omr-ws-25b0def01f63ef8a808740215871f7f5cea9ba3e936cdceee5522f1620569f32
Within what limits can the largest angle of a triangle change if the vertices are at the touchpoints of the circle inscribed in the triangle with the sides?
[ "$[60^\\circ ; 90^\\circ )$" ]
[ "Within what limits can the largest angle of a triangle change if the vertices are at the touchpoints of the circle inscribed in the triangle with the sides?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect", "tir" ]
{ "cot": 11, "genselect": 8, "tir": 15 }
34
0
0
omr-ws-1d78a5971b65fd95403baf88df47492848e7cbae5c9c1449fd8e4211353674ab
Without calculating the exact value, determine how many times each digit appears in the number \( x \) where \( x = 3^{2457} + 1 \).
[ "\\{132, 109, 123, 117, 111, 108, 113, 111, 126, 123\\}" ]
[ "Without calculating the exact value, determine how many times each digit appears in the number \\( x \\) where \\( x = 3^{2457} + 1 \\)." ]
[ "aops_c4_high_school_math" ]
[ "tir" ]
{ "tir": 4 }
4
0
0
omr-ws-cc75a7d2e83239374cc110f424975ac958793e433d5ff375932b7f18b5592d41
Without further calculation, sketch the set of all points satisfying $\cos y = \frac{1}{2} \sin x$ for $- \pi \leq x \leq \pi$ and $- \pi \leq y \leq \pi$.
[ "\\text{The solution is the set of curves described by } y = \\pm \\arccos\\left(\\frac{1}{2} \\sin x\\right) \\text{ and } y = \\pm \\left(\\pi - \\arccos\\left(\\frac{1}{2} |\\sin x|\\right)\\right) \\text{ within the given domain.}" ]
[ "Without further calculation, sketch the set of all points satisfying $\\cos y = \\frac{1}{2} \\sin x$ for $- \\pi \\leq x \\leq \\pi$ and $- \\pi \\leq y \\leq \\pi$." ]
[ "aops_c7_college_math" ]
[ "additional_problems", "genselect" ]
{ "additional_problems": 1, "genselect": 3 }
4
0
0
omr-ws-e72a2394b3d9ab6285ce130be96c6f38b83c9ebdf43cf4b45498d8c9de7e738e
Without much calculation, determine the locus for \( z \) for each of the following: 1. \( \text{Re}\left(\frac{z-1-i}{z+1-i}\right)=0 \) 2. \( \text{Im}\left(\frac{z-1-i}{z+1-i}\right)=0 \)
[ "\\( |z - i| = 1 \\) and \\( \\Im\\{z\\} = 1 \\)" ]
[ "Without much calculation, determine the locus for \\( z \\) for each of the following:\n1. \\( \\text{Re}\\left(\\frac{z-1-i}{z+1-i}\\right)=0 \\)\n2. \\( \\text{Im}\\left(\\frac{z-1-i}{z+1-i}\\right)=0 \\)" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 2, "tir": 15 }
17
0
0
omr-ws-f58b6f95a0f449463bd2c5cbf14517eaf81385d493e82190ddd531e80054892c
Without overlapping, hexagonal tiles are placed inside an isosceles right triangle of area $1$ whose hypotenuse is horizontal. The tiles are similar to a given figure, but are not necessarily all the same size. The longest side of each tile is parallel to the hypotenuse of the triangle, and the horizontal side of lengt...
[ "2" ]
[ "Without overlapping, hexagonal tiles are placed inside an isosceles right triangle of area $1$ whose hypotenuse is horizontal. The tiles are similar to a given figure, but are not necessarily all the same size. The longest side of each tile is parallel to the hypotenuse of the triangle, and the horizontal side of ...
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 12, "genselect": 3 }
15
0
0
omr-ws-444fd64486e88844962add5c64467de954291220544f4fe273d3aa4d232f86dd
Without overlapping, hexagonal tiles are placed inside an isosceles right triangle of area \( 1 \) whose hypotenuse is horizontal. The tiles are similar to the figure below, but are not necessarily all the same size. The longest side of each tile is parallel to the hypotenuse of the triangle, and the horizontal side of...
[ "2" ]
[ "Without overlapping, hexagonal tiles are placed inside an isosceles right triangle of area \\( 1 \\) whose hypotenuse is horizontal. The tiles are similar to the figure below, but are not necessarily all the same size. The longest side of each tile is parallel to the hypotenuse of the triangle, and the horizontal ...
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 12, "genselect": 2 }
14
0
0
omr-ws-5974829dee733c6b4d43e327b572f420305b047cae98e64e7db5033e50264574
Without solving the equation, find the sum of the squares of the roots of the equation \((x^2 + 2x)^2 - 5(x^2 + 2x) + 3 = 0\).
[ "10" ]
[ "Without solving the equation, find the sum of the squares of the roots of the equation \\((x^2 + 2x)^2 - 5(x^2 + 2x) + 3 = 0\\)." ]
[ "aops_c4_high_school_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-21f5b9f0da5238e157e495000de584a2f14896ab89d395d16c209dd068d9e121
Without the aid of a calculator, compare the value of \( A = \sqrt{2008} + \sqrt{2009} + \sqrt{2010} \) and \( B = \sqrt{2005} + \sqrt{2007} + \sqrt{2015} \).
[ "\\( A \\ge B \\)" ]
[ "Without the aid of a calculator, compare the value of \\( A = \\sqrt{2008} + \\sqrt{2009} + \\sqrt{2010} \\) and \\( B = \\sqrt{2005} + \\sqrt{2007} + \\sqrt{2015} \\)." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 5, "genselect": 1 }
6
0
0
omr-ws-c2e7439f9ab4aea2ce1dd6f71441bb4434d53a762ff4a81bf2977265e7132a17
Without the use of a calculator, find the integer whose square root is nearest to \((\sqrt{2})^{(\sqrt{3})^{\sqrt{5}}}\).
[ "11" ]
[ "Without the use of a calculator, find the integer whose square root is nearest to \\((\\sqrt{2})^{(\\sqrt{3})^{\\sqrt{5}}}\\)." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 19 }
34
0
0
omr-ws-2727d5ef3d5694e7d8dc3327661aa89a36e989b536f4122412c70bc999f5d043
Without using a calculator, compute $1003^2-997^2-1001^2+999^2$.
[ "8000" ]
[ "Without using a calculator, compute $1003^2-997^2-1001^2+999^2$." ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-ee77f5105e785369e72178492b785f24c226127b5472c5c2881c73c79f58ddcf
Without using a calculator, determine the value of $\sin\left(\frac{\pi}{14}\right) + 6\sin^2\left(\frac{\pi}{14}\right) - 8\sin^4\left(\frac{\pi}{14}\right)$.
[ "\\(\\frac{1}{2}\\)" ]
[ "Without using a calculator, determine the value of $\\sin\\left(\\frac{\\pi}{14}\\right) + 6\\sin^2\\left(\\frac{\\pi}{14}\\right) - 8\\sin^4\\left(\\frac{\\pi}{14}\\right)$." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 25 }
40
0
0
omr-ws-80df46237366bc8b4a3b2cd8021ad559f515d2bb09625cf126778bdb2cfd3880
Without using a calculator, determine which is greater: $\sin 28^\circ$ or $\tan 21^\circ$.
[ "\\(\\sin 28^\\circ\\) is greater." ]
[ "Without using a calculator, determine which is greater: $\\sin 28^\\circ$ or $\\tan 21^\\circ$." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 30 }
46
0
0
omr-ws-5d1aa8a74afbcc765c7181a7cd2dc5df48b30363e47df45d7136035d7faf5d0b
Without using a calculator, determine which number is greater: \( |\sqrt[3]{5} - \sqrt{3}| - \sqrt{3} \) or \( 0.01 \).
[ "\\( |\\sqrt[3]{5} - \\sqrt{3}| - \\sqrt{3} \\) is greater." ]
[ "Without using a calculator, determine which number is greater: \\( |\\sqrt[3]{5} - \\sqrt{3}| - \\sqrt{3} \\) or \\( 0.01 \\)." ]
[ "aops_c4_high_school_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-d3146b286fb37d1de699007e1de9e94144c3b7501fa36dacb871122969ff152c
Without using a calculator, determine which number is greater: \(29^{200} \cdot 2^{151}\) or \(5^{279} \cdot 3^{300}\).
[ "\\(29^{200} \\cdot 2^{151}\\) is greater." ]
[ "Without using a calculator, determine which number is greater: \\(29^{200} \\cdot 2^{151}\\) or \\(5^{279} \\cdot 3^{300}\\)." ]
[ "aops_c4_high_school_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-b37db0809f27f8ee474ff3e7ae8048a525a5a3113a83fabe96a31e13f7be3f50
Without using a calculator, find the largest prime factor of $15^4+2\times15^2+1-14^4$.
[ "211" ]
[ "Without using a calculator, find the largest prime factor of $15^4+2\\times15^2+1-14^4$." ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-71473dbef0be2d201cb32d6168e141a39172887afba4b52586ec991153bb9f11
Without using a calculator, which number is larger, \( S = 99!^{\frac{1}{99}} \) or \( T = 100!^{\frac{1}{100}} \)?
[ "\\( T > S \\)" ]
[ "Without using a calculator, which number is larger, \\( S = 99!^{\\frac{1}{99}} \\) or \\( T = 100!^{\\frac{1}{100}} \\)?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 2 }
17
0
0
omr-ws-729d44ada11e478586336491caa5897b6ba56a1722895126b25766943879b3cf
Without using the result from part (a), find the general solution of \[ \sin x - \sin 3x + \sin 5x - \ldots + (-1)^{n+1} \sin (2n-1)x = 0.
[ "x = \\dfrac{k\\pi}{2n} \\text{ where } k \\in \\mathbb{Z} \\text{ and } k \\not\\equiv n \\pmod{2n}" ]
[ "Without using the result from part (a), find the general solution of\n\\[\n\\sin x - \\sin 3x + \\sin 5x - \\ldots + (-1)^{n+1} \\sin (2n-1)x = 0." ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 13 }
13
0
0
omr-ws-e3ab8fee9f00ea0b47f128e31315201e3c02ba504b255bd918883f753a1c5795
Wizard ? has a positive integer number of children, whose ages are positive integers. The product of their ages is Wizard ?'s age, and the sum of their ages is the number on the bus. Wizard ? knows the bus number and states that even with the age and number of children, the ages of the children cannot be uniquely deter...
[ "12" ]
[ "Wizard ? has a positive integer number of children, whose ages are positive integers. The product of their ages is Wizard ?'s age, and the sum of their ages is the number on the bus. Wizard ? knows the bus number and states that even with the age and number of children, the ages of the children cannot be uniquely ...
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 1, "tir": 5 }
6
0
0
omr-ws-d1fe3aa9c769e113d0c7f45ee3f79075aba3bff1491e53f71dfa7d6cb03c6242
Woody Woodpecker pecked at a $17$m wooden pole until it cracked and the upper part fell, with the top hitting the ground $10$m from the foot of the pole. Since the upper part had not completely broken off, Woody pecked away where the pole had cracked. How far was Woody off the ground?
[ "\\( 5.5588 \\) meters" ]
[ "Woody Woodpecker pecked at a $17$m wooden pole until it cracked and the upper part fell, with the top hitting the ground $10$m from the foot of the pole. Since the upper part had not completely broken off, Woody pecked away where the pole had cracked. How far was Woody off the ground?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 27 }
43
0
0
omr-ws-29316e3b440cb13a9310074f66e648d4aa6012404c0a6306d120ae475d6bb890
Work in \( \mathbb{R}^+ \). Suppose \( E \) and \( E^C \) are both unbounded subsets of \( \mathbb{R}^+ \). Let \( x, y \in E \) with \( 1 < x < y \). Define \( g(x, y) \) as the smallest value of \( y' \) such that there exists \( x' < y' \) in \( E^C \) with \( y < x' \) and \( x'y' \in E^C \). If no such \( x' \) an...
[ "0" ]
[ "Work in \\( \\mathbb{R}^+ \\). Suppose \\( E \\) and \\( E^C \\) are both unbounded subsets of \\( \\mathbb{R}^+ \\). Let \\( x, y \\in E \\) with \\( 1 < x < y \\). Define \\( g(x, y) \\) as the smallest value of \\( y' \\) such that there exists \\( x' < y' \\) in \\( E^C \\) with \\( y < x' \\) and \\( x'y' \\i...
[ "aops_c7_college_math" ]
[ "cot", "genselect" ]
{ "cot": 5, "genselect": 8 }
13
0
0
omr-ws-28afdec7d491f4eba7c107b3577c8ae80b04b72d3c59aa1ced794a4df76c8dee
Worker $A$ takes $a$ more days than worker $B$ to complete a duty, and worker $B$ takes $b$ more days than worker $C$ to complete the same duty. When workers $A$ and $B$ work together, they complete the duty in the same time as worker $C$ working alone. Find the time it takes for each worker to complete the duty indivi...
[ "\\sqrt{b(a + b)} + a + b" ]
[ "Worker $A$ takes $a$ more days than worker $B$ to complete a duty, and worker $B$ takes $b$ more days than worker $C$ to complete the same duty. When workers $A$ and $B$ work together, they complete the duty in the same time as worker $C$ working alone. Find the time it takes for each worker to complete the duty i...
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 12 }
12
0
0
omr-ws-809709c1329a0b47a442ee9ad7e554f3ad9e27cc37a0ea61b7e2c62182c39d6a
Workers $A$ and $B$ have been working the same number of days. If $A$ worked one day less and $B$ 7 days less then $A$ would earn 72 roubles and $B$ 64 roubles 80 kopecks. If, conversely, $A$ worked 7 days less and $B$ one day less $B$ would earn 32 roubles and 40 kopecks more than $A$. How much did in fact either work...
[ "75 roubles, 90 roubles" ]
[ "Workers $A$ and $B$ have been working the same number of days. If $A$ worked one day less and $B$ 7 days less then $A$ would earn 72 roubles and $B$ 64 roubles 80 kopecks. If, conversely, $A$ worked 7 days less and $B$ one day less $B$ would earn 32 roubles and 40 kopecks more than $A$. How much did in fact either...
[ "aops_c6_high_school_olympiads" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-69c19c8aae9fc130e8c0009c9a219ac631e5e8a03dcf31eabfd5aa5358bae5b2
Working 22 hours in the second week of June, Xenia was able to earn $\$$47.60 more than during the first week of June when she worked 15 hours. If her hourly wage was constant, how many dollars did she earn during the first two weeks of June? Express your answer to the nearest hundredth.
[ "\\$ 251.60" ]
[ "Working 22 hours in the second week of June, Xenia was able to earn $\\$$47.60 more than during the first week of June when she worked 15 hours. If her hourly wage was constant, how many dollars did she earn during the first two weeks of June? Express your answer to the nearest hundredth." ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-48a7c37b95d01b079d9079e0ce88ef90438d8671f54ba0a899e3ab753eaa0c4a
Working 6 hours a day, how many nuts can 180 workers produce if they produce 52,500 bolts each day?
[ "52500" ]
[ "Working 6 hours a day, how many nuts can 180 workers produce if they produce 52,500 bolts each day?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-97d4b4b1109ed4eeed70609ac57770b848773553aed1d5afefb5f7c49e88631d
Working with modulo 9, find the missing digit \( x \) in the equation \( 2784x = x \cdot 5569 \).
[ "5" ]
[ "Working with modulo 9, find the missing digit \\( x \\) in the equation \\( 2784x = x \\cdot 5569 \\)." ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-bc4696731d3054a5d0a8e3897e93ffc46d01225eae4abcee320c7d4739dd924c
Woulard forms an 8-letter word by picking each letter from the set $\{w, o, u\}$ with equal probability. The score of a word is the nonnegative difference between the number of distinct occurrences of the three-letter word "uwu" and the number of distinct occurrences of the three-letter word "uwu". If the expected scor...
[ "1" ]
[ "Woulard forms an 8-letter word by picking each letter from the set $\\{w, o, u\\}$ with equal probability. The score of a word is the nonnegative difference between the number of distinct occurrences of the three-letter word \"uwu\" and the number of distinct occurrences of the three-letter word \"uwu\". If the ex...
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-d4fd55b8e76ebf9bcd184391e0d1a549d54efff33121c7bcbf18e6b98a4a4ed6
Wowyok is in a house with 300 rooms, starting in room number 8. For any room number \( i \), he can advance to room \( i+1 \) or \( i-1 \) with a 1/2 chance each. If he enters room number 1, he must leave the house. If he enters room 300, he wins a cash prize. Find the probability of winning the cash prize.
[ "\\dfrac{7}{299}" ]
[ "Wowyok is in a house with 300 rooms, starting in room number 8. For any room number \\( i \\), he can advance to room \\( i+1 \\) or \\( i-1 \\) with a 1/2 chance each. If he enters room number 1, he must leave the house. If he enters room 300, he wins a cash prize. Find the probability of winning the cash prize."...
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-0af5df97d41e472e38d0990c54bef10901c4b4fdc9e19386e9a63db4306c15e4
Write $ \omega_{\alpha}$ as a disjoint union of two sets, each of cardinality $ \aleph_{\alpha}$.
[ "\\omega_{\\alpha} = A \\cup B \\text{ where } A \\cap B = \\emptyset \\text{ and } |A| = |B| = \\aleph_{\\alpha}" ]
[ "Write $ \\omega_{\\alpha}$ as a disjoint union of two sets, each of cardinality $ \\aleph_{\\alpha}$." ]
[ "aops_c7_college_math" ]
[ "cot" ]
{ "cot": 15 }
15
0
0
omr-ws-107110dba51db6938ed1bc03e8ec86e05246f8c2026a2a0fdf5ee522ef4b4ee9
Write $ \sqrt{25 - 12\sqrt{2}}$ in the form $ a + b\sqrt{c}$. Show your work.
[ "\\( 3 - 2\\sqrt{2} \\)" ]
[ "Write $ \\sqrt{25 - 12\\sqrt{2}}$ in the form $ a + b\\sqrt{c}$. Show your work." ]
[ "aops_c4_high_school_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 15, "genselect": 1, "tir": 4 }
20
0
0
omr-ws-36c7b86ebf92a39c4f8736f58f2a9becef64fe64876fe17424cfc8a9c4c67261
Write $$\sum_{k = 0}^{n} \frac{1}{k+1}\dbinom{n}{k}z^k$$ without the sigma notation.
[ "\\(\\frac{(1 + z)^{n+1} - 1}{(n+1)z}\\)" ]
[ "Write $$\\sum_{k = 0}^{n} \\frac{1}{k+1}\\dbinom{n}{k}z^k$$ without the sigma notation." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 17, "tir": 10 }
27
0
0
omr-ws-c37012421aab981a314e433012bbe2de2b71a8b18e6c696024e55aa5dedbad37
Write $(-5)^5\div5^3+3^{4}-6^{1}$ as an integer.
[ "50" ]
[ "Write $(-5)^5\\div5^3+3^{4}-6^{1}$ as an integer." ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-1f1f87b1e633663da15fb7bb5eaed717187dcb73945eead70eeb013f062c77ac
Write $(5m)^4 + 2016(mn)^2 + (12n)^4$ as the sum of two perfect squares.
[ "\\((24m^2)^2 + (7m^2 + 144n^2)^2\\)" ]
[ "Write $(5m)^4 + 2016(mn)^2 + (12n)^4$ as the sum of two perfect squares." ]
[ "aops_c4_high_school_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 13, "genselect": 4, "tir": 21 }
38
0
0
omr-ws-c49339446f693837ab1b3c8a9581baaf7a7c638c8a91e5b4f02cb8fa40b43314
Write $(x^2-yz)^3+(y^2-zx)^3+(z^2-xy)^3-3(x^2-yz)(y^2-zx)(z^2-xy)$ as the square of a polynomial.
[ "\\( (x^3 + y^3 + z^3 - 3xyz)^2 \\)" ]
[ "Write $(x^2-yz)^3+(y^2-zx)^3+(z^2-xy)^3-3(x^2-yz)(y^2-zx)(z^2-xy)$ as the square of a polynomial." ]
[ "aops_c4_high_school_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 14, "genselect": 7, "tir": 19 }
40
0
0
omr-ws-6364b7205dacc1d24e3f6bda54ae6801d1cc1549ce9172a053b8153b2ed3c9e3
Write $0.\overline{43}$ as a simplified fraction.
[ "\\frac{43}{99}" ]
[ "Write $0.\\overline{43}$ as a simplified fraction." ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-977901c8f8c1201386796e27f49262b7d37f0029879d174d7858339602604eeb
Write $1 + \sin{\theta}$ as a product.
[ "\\( 2 \\cos^2\\left(\\frac{\\pi}{4} - \\frac{\\theta}{2}\\right) \\)" ]
[ "Write $1 + \\sin{\\theta}$ as a product." ]
[ "aops_c4_high_school_math" ]
[ "tir" ]
{ "tir": 2 }
2
0
0
omr-ws-230b096cc88c4188c9e366e08a61d46175ba9ec88a60c5073bb1226ed1d8687a
Write $1.5\overline{2189}$ as a fraction. Note: only 2189 is repeating.
[ "\\(\\frac{6917}{4545}\\)" ]
[ "Write $1.5\\overline{2189}$ as a fraction. Note: only 2189 is repeating." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 30 }
46
0
0
omr-ws-0ffa335a795a88847b147d69fabe27a16ad67355778a3fedd8d1d6ac6a010234
Write $102$ as the sum of the largest number of distinct primes.
[ "9" ]
[ "Write $102$ as the sum of the largest number of distinct primes." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 1, "tir": 3 }
4
0
0
omr-ws-8c474415ff559c421a3748d494a6eb841d6fe336bcc51dec34d6f870b2a9df98
Write $11+7i$ as a product of irreducible elements in the ring $\mathbb{Z}[i]$.
[ "\\( (1+i)(1+2i)(1-4i) \\)" ]
[ "Write $11+7i$ as a product of irreducible elements in the ring $\\mathbb{Z}[i]$." ]
[ "aops_c7_college_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 2, "genselect": 1, "tir": 5 }
8
0
0
omr-ws-576db671475a28c2528d85393610b3f3495fa743760161ec6379aad5346d68bc
Write $2013$ as a sum of $m$ prime numbers. What is the smallest value of $m$?
[ "2" ]
[ "Write $2013$ as a sum of $m$ prime numbers. What is the smallest value of $m$?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-8fcf6c423bc2925d51d9c086f09dcf4492b9af7d43ef67d1950b0e4f9ff98bc3
Write $2014! = A \cdot 10^n$, with $A$ not divisible by $10$. Find the last digit of $A$.
[ "6" ]
[ "Write $2014! = A \\cdot 10^n$, with $A$ not divisible by $10$. Find the last digit of $A$." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect", "tir" ]
{ "cot": 12, "genselect": 6, "tir": 4 }
22
0
0
omr-ws-80c0996654d9f91240dd0e8c95b9a4ea99e99d546123493e14ed80361c27b199
Write $2018^{2019} + 2018$ as a sum of two perfect squares.
[ "(13 \\cdot 2018^{1009} - 43)^2 + (43 \\cdot 2018^{1009} + 13)^2" ]
[ "Write $2018^{2019} + 2018$ as a sum of two perfect squares." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-4f9e1711dedf4c7c8ae7b0cc6a6d5d0ae939452147023b637558bb331d7119f2
Write $2\log_{2}40-\log_{4}125+\frac{1}{2}\log_{8}5$ in the form $p+q\log_{2}r$, where $p$ and $r$ are integers, and $q\in\mathbb{R}$.
[ "\\( 6 + \\frac{2}{3}\\log_{2}5 \\)" ]
[ "Write $2\\log_{2}40-\\log_{4}125+\\frac{1}{2}\\log_{8}5$ in the form $p+q\\log_{2}r$, where $p$ and $r$ are integers, and $q\\in\\mathbb{R}$." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 19 }
35
0
0
omr-ws-269a55e8df339be2b10f0e92b7f9d050adfa6bc69cd656850cd02ab8d59a7683
Write $2^{2010} - 1$ in base $2010$.
[ "1833" ]
[ "Write $2^{2010} - 1$ in base $2010$." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 4, "genselect": 4 }
8
0
0
omr-ws-edbb36dd9988f5c1ec300ed74348b83a05672bea817b4e5f1f00a711d88a3448
Write $39$ as the sum of $6$ odd numbers.
[ "\\(3, 5, 7, 9, 15, 1\\)" ]
[ "Write $39$ as the sum of $6$ odd numbers." ]
[ "aops_c4_high_school_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-f738033263d1e36f266754ed883d10da085610a3c25cb028b5ad2434bc7f7508
Write $4+7\sqrt{2}$ as a product of irreducible elements in the ring $\mathbb{Z}[\sqrt{2}]$.
[ "\\((2+\\sqrt{2})(-3+5\\sqrt{2})\\)" ]
[ "Write $4+7\\sqrt{2}$ as a product of irreducible elements in the ring $\\mathbb{Z}[\\sqrt{2}]$." ]
[ "aops_c7_college_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 4, "genselect": 1, "tir": 2 }
7
0
0
omr-ws-f3f702d795c4a7c5a650a2bd852f41962080252f768f2c2990f18bc35ee1aba6
Write $4.3+3.88$ as a decimal.
[ "8.18" ]
[ "Write $4.3+3.88$ as a decimal." ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-c1a0abb3b92a600a3c10124351892ce4c2e0414df3508515f7b85fe3849463b7
Write $8$ as an irrational number raised to an irrational number in at least three different ways.
[ "\\( 8 = \\left(2^{\\sqrt{3}}\\right)^{\\sqrt{3}}, 8 = \\left(2^{\\sqrt[3]{3}}\\right)^{\\sqrt[3]{9}}, 8 = \\left(2^{\\sqrt[4]{3}}\\right)^{\\sqrt[4]{27}} \\)" ]
[ "Write $8$ as an irrational number raised to an irrational number in at least three different ways." ]
[ "aops_c4_high_school_math" ]
[ "tir" ]
{ "tir": 4 }
4
0
0
omr-ws-4dbc6d6b2344787124f4fc63e191a81d2de9f81cb4185d04c72cd4eb1e62b811
Write $Alt(T)$ and $Alt(S)$ in terms of elementary alternating tensors, where \[ T(x,y,z) = 2x_2 y_2 z_1 + x_1 y_5 z_4 \] \[ S(x,y) = x_1 y_3 + x_3 y_1 \]
[ "\\[ Alt(T)(x,y,z) = \\frac{1}{6} \\left( (2x_2 y_2 z_1 + x_1 y_5 z_4) - (2x_2 z_2 y_1 + x_1 z_5 y_4) - (2y_2 x_2 z_1 + y_1 x_5 z_4) + (2y_2 z_2 x_1 + y_1 z_5 x_4) + (2z_2 x_2 y_1 + z_1 x_5 y_4) - (2z_2 y_2 x_1 + z_1 y_5 x_4) \\right) \\]\n\\[ Alt(S)(x,y) = 0 \\]" ]
[ "Write $Alt(T)$ and $Alt(S)$ in terms of elementary alternating tensors, where\n\\[ T(x,y,z) = 2x_2 y_2 z_1 + x_1 y_5 z_4 \\]\n\\[ S(x,y) = x_1 y_3 + x_3 y_1 \\]" ]
[ "aops_c7_college_math" ]
[ "tir" ]
{ "tir": 7 }
7
0
0
omr-ws-c9f6d238da314acce44f3a56e8dd18ebe4fa8436c503339f961abb956e02464a
Write $\arcsin (\sin x)$ in the form $(-1)^m (x - n\pi),$ where $m$ and $n$ are integers. Determine the values of $m$ and $n$.
[ "(-1)^n (x - n\\pi)" ]
[ "Write $\\arcsin (\\sin x)$ in the form $(-1)^m (x - n\\pi),$ where $m$ and $n$ are integers. Determine the values of $m$ and $n$." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 4, "genselect": 4 }
8
0
0
omr-ws-581091307e65b2adc939dd26c7720bd0efa07fae953a240c01ec1264a4289ebf
Write $\cot^{-1} x$ in terms of $\arcsin$, $\arccos$, and $\arctan$.
[ "\\(\\cot^{-1} x = \\frac{\\pi}{2} - \\tan^{-1} x\\)" ]
[ "Write $\\cot^{-1} x$ in terms of $\\arcsin$, $\\arccos$, and $\\arctan$." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect", "tir" ]
{ "cot": 46, "genselect": 8, "tir": 19 }
73
0
0
omr-ws-cc0d2903a4b53a51f9fd680de287282c8b2b5f364d3fe621ac0a953adcefcbf5
Write $\csc^{-1} x$ in terms of $\arcsin$, $\arccos$, and $\arctan$.
[ "\\(\\sin^{-1} \\frac{1}{x}\\)" ]
[ "Write $\\csc^{-1} x$ in terms of $\\arcsin$, $\\arccos$, and $\\arctan$." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 18 }
34
0
0
omr-ws-48735bd26d2134e9d7b84ea94c832eaa4477e9ad5fce3158d45cb84a1a84b270
Write $\displaystyle{\frac{1}{\sqrt[5]{2} - 1} = a + b\sqrt[5]{2} + c\sqrt[5]{4} + d\sqrt[5]{8} + e\sqrt[5]{16}}$, with $a$, $b$, $c$, $d$, and $e$ integers. Find $a^2 + b^2 + c^2 + d^2 + e^2$.
[ "5" ]
[ "Write $\\displaystyle{\\frac{1}{\\sqrt[5]{2} - 1} = a + b\\sqrt[5]{2} + c\\sqrt[5]{4} + d\\sqrt[5]{8} + e\\sqrt[5]{16}}$, with $a$, $b$, $c$, $d$, and $e$ integers. Find $a^2 + b^2 + c^2 + d^2 + e^2$." ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-dea5c6149efc3ec5f2f847e9c3ed2efeb8421e71d4a13df6765347fb0660171e
Write $\frac{1}{10+7 \sqrt[3]{2}+4 \sqrt[3]{4}}$ in the form $a+b \sqrt[3]{2}+c \sqrt[3]{4}$, where $a, b, c \in \mathbb{Q}$.
[ "\\(\\frac{22}{131} - \\frac{19}{131}\\sqrt[3]{2} + \\frac{9}{262}\\sqrt[3]{4}\\)" ]
[ "Write $\\frac{1}{10+7 \\sqrt[3]{2}+4 \\sqrt[3]{4}}$ in the form $a+b \\sqrt[3]{2}+c \\sqrt[3]{4}$, where $a, b, c \\in \\mathbb{Q}$." ]
[ "aops_c4_high_school_math", "c4_high_school_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 14, "genselect": 7, "tir": 30 }
51
0
0
omr-ws-49cc0f07c579e82cdf235855405cd3078cadec44c7c2ca91c9fe2bf6003b5a62
Write $\frac{2}{7}$ as a sum of distinct terms from $\left\{ \frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \ldots \right\}$.
[ "\\(\\frac{1}{4} + \\frac{1}{28}\\)" ]
[ "Write $\\frac{2}{7}$ as a sum of distinct terms from $\\left\\{ \\frac{1}{2}, \\frac{1}{3}, \\frac{1}{4}, \\ldots \\right\\}$." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 22 }
38
0
0
omr-ws-7c34a2c9645010721ac1e168e183a86b719fe0e967fa76b7b3c32f2e089feb5b
Write $\frac{4019}{4074}$ as the sum of four different unit fractions.
[ "\\(\\frac{1}{2} + \\frac{1}{3} + \\frac{1}{7} + \\frac{1}{97}\\)" ]
[ "Write $\\frac{4019}{4074}$ as the sum of four different unit fractions." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 29 }
44
0
0
omr-ws-2de1d73524bf724ef04b91d81fce6c68db980c5140197019a3ca1a8e71d35a30
Write $\frac{5}{8}$ as a decimal.
[ "0.625" ]
[ "Write $\\frac{5}{8}$ as a decimal." ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-be4e46bf1a0c2f512b17289a4f669730216bc7eeb8e6dd6c6b06f690cfd8dc3d
Write $\frac{\sin mx}{\sin x}$ in terms of $\cos x$.
[ "\\(U_{m-1}(\\cos x)\\) or \\((2\\cos x)^{m-1} - (m-2)(2\\cos x)^{m-3} + \\frac{(m-3)(m-4)}{2!} (2\\cos x)^{m-5} - \\cdots\\)" ]
[ "Write $\\frac{\\sin mx}{\\sin x}$ in terms of $\\cos x$." ]
[ "aops_c4_high_school_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 5, "genselect": 2, "tir": 10 }
17
0
0
omr-ws-8fe2b783501594479d380e01bc043e349c692690a085c52cf9ce3af5fd69a09e
Write $\log(15)$ in terms of $x = \log(2)$, $y = \log(3)$, and $z = \log(7)$.
[ "\\( y + 1 - x \\)" ]
[ "Write $\\log(15)$ in terms of $x = \\log(2)$, $y = \\log(3)$, and $z = \\log(7)$." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 2 }
18
0
0
omr-ws-06aec48ee922af1b977e5a1cbfa081114d36ea1875478733ef2f12163f6ae9cc
Write $\sec^{-1} x$ in terms of $\arcsin$, $\arccos$, and $\arctan$.
[ "\\(\\cos^{-1} \\frac{1}{x}\\)" ]
[ "Write $\\sec^{-1} x$ in terms of $\\arcsin$, $\\arccos$, and $\\arctan$." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 22 }
38
0
0
omr-ws-680565e5477daf206b02bedef8848724b4de38a48f2752c34f7d208a37896f3e
Write $\sin \alpha + \sin \beta + \sin \gamma$ as a product, where $\alpha$, $\beta$, and $\gamma$ are angles in a triangle.
[ "\\(4 \\cos\\left(\\frac{\\alpha}{2}\\right) \\cos\\left(\\frac{\\beta}{2}\\right) \\cos\\left(\\frac{\\gamma}{2}\\right)\\)" ]
[ "Write $\\sin \\alpha + \\sin \\beta + \\sin \\gamma$ as a product, where $\\alpha$, $\\beta$, and $\\gamma$ are angles in a triangle." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 24 }
40
0
0
omr-ws-ea9f6ef2574f8bd2e24a1333f67d16adb988115587817c6c1441b971635f35b6
Write $\sqrt{2}$ in base 2.
[ "1.0110101000001001111001100110011111110..." ]
[ "Write $\\sqrt{2}$ in base 2." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 20 }
36
0
0
omr-ws-fc26744a416af7fca9c30543815b32b046aa12421f084598b17bbb5347559fed
Write $\sqrt{\frac{16}{25}+\frac{9}{4}}$ as a common fraction.
[ "\\frac{17}{10}" ]
[ "Write $\\sqrt{\\frac{16}{25}+\\frac{9}{4}}$ as a common fraction." ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-9413506c6d3c26cdfb77265150ce7ec714dec0a4ddd77031c2a14509ded3b812
Write $f(x) = \sqrt{1 - \cos(x)}$. Maximise $f(a) + f(b) + f(c)$ given that $a + b + c = 2\pi$.
[ "$\\frac{3\\sqrt{6}}{2}$" ]
[ "Write $f(x) = \\sqrt{1 - \\cos(x)}$. Maximise $f(a) + f(b) + f(c)$ given that $a + b + c = 2\\pi$." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 30 }
46
0
0
omr-ws-2d32acbceb6100ac561df4b5bd2531191be2cbcf1f0cff8ebd01fe3f6bfeff6f
Write $n$ natural numbers from $1$ to $n$ in ascending order from left to right. $A$ and $B$ play the following game: On each turn, a player deletes two adjacent numbers and replaces them with their sum or product. The game continues until only one number remains. If the final number is odd, $A$ wins; otherwise, $B$ wi...
[ "\\( n \\) is even." ]
[ "Write $n$ natural numbers from $1$ to $n$ in ascending order from left to right. $A$ and $B$ play the following game: On each turn, a player deletes two adjacent numbers and replaces them with their sum or product. The game continues until only one number remains. If the final number is odd, $A$ wins; otherwise, $...
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 6, "tir": 2 }
8
0
0
omr-ws-395450e4bed528acb8c41702a3f7bbb6d778de3029e50e7696bfcfd74e8ecba9
Write $x^2-3x+8$ as a quadratic expression of $x-1$.
[ "\\((x-1)^2 - (x-1) + 6\\)" ]
[ "Write $x^2-3x+8$ as a quadratic expression of $x-1$." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 21 }
37
0
0
omr-ws-62f481149e101c2c95a5a3236a2c02040237b31312a09c68fe9897327b0af9c7
Write $x^{10} + x^5 + 1$ as the product of two polynomials with integer coefficients.
[ "(x^2 + x + 1)(x^8 - x^7 + x^5 - x^4 + x^3 - x + 1)" ]
[ "Write $x^{10} + x^5 + 1$ as the product of two polynomials with integer coefficients." ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-48ba71c66c9e4818b336773f97150d1ba939edae745ba8f15294390b994ed09c
Write (in ascending order) all positive integer numbers of three or four digits whose square ends with 4444. (Write 0 if you think there are no numbers with this feature)
[ "0" ]
[ "Write (in ascending order) all positive integer numbers of three or four digits whose square ends with 4444. (Write 0 if you think there are no numbers with this feature)" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-5ebe9a79466e2ff06c5bed0863dfa1fbda15e6550b7386c98f6b7f558c3090ac
Write (in ascending order) all the positive integer numbers of three digits whose square ends with 444. (Write 0 if you think there are no numbers with this feature)
[ "462, 538, 962" ]
[ "Write (in ascending order) all the positive integer numbers of three digits whose square ends with 444. (Write 0 if you think there are no numbers with this feature)" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 4, "tir": 20 }
24
0
0
omr-ws-ea1da4395b57fc7c29398b76b65ff3cee100cb6b810a89af9bf61e8b375d6616
Write -10 in base -3.
[ "1212_{-3}" ]
[ "Write -10 in base -3." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 12 }
28
0
0
omr-ws-30b70668ebea15e8eec2ffe8de3e3b3e27ea7ac43095901fa03d7b07d473d235
Write 0.232 (with the 32 part repeating) as the quotient of two integers.
[ "\\(\\frac{23}{99}\\)" ]
[ "Write 0.232 (with the 32 part repeating) as the quotient of two integers." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 30 }
46
0
0
omr-ws-e0e94ed2433ceb852190dba22f5748dc3abaf2001b2b60851ac030b6a256f755
Write 1,000,000 as a sum of a prime number and a perfect square.
[ "\\(1,000,000 = 1999 + 999^2\\)", "\\(1999 + 999^2\\)" ]
[ "Write 1,000,000 as a sum of a prime number and a perfect square." ]
[ "aops_c4_high_school_math", "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 32, "tir": 56 }
88
0
0
omr-ws-ea41a15d9f5f75565bb3aeb265aa5f97567c34792cd4bfc2aa68bd59232242e2
Write 12 natural numbers in a row such that the fourth number is 7, the twelfth number is 10, and the sum of any three consecutive numbers is 102. Identify the numbers in this sequence.
[ "\\( 7, 85, 10, 7, 85, 10, 7, 85, 10, 7, 85, 10 \\)" ]
[ "Write 12 natural numbers in a row such that the fourth number is 7, the twelfth number is 10, and the sum of any three consecutive numbers is 102. Identify the numbers in this sequence." ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 14, "tir": 16 }
30
0
0
omr-ws-e7487289db13fe0150d4843c22f85e544c76f8b5b5169379e329283c31d7f225
Write 16 different positive integers in a 4x4 grid such that the products of numbers in each row, each column, and the two diagonals are equal. Find the minimum possible value of the biggest number in the grid.
[ "28" ]
[ "Write 16 different positive integers in a 4x4 grid such that the products of numbers in each row, each column, and the two diagonals are equal. Find the minimum possible value of the biggest number in the grid." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 1, "tir": 1 }
2
0
0
omr-ws-f9efbf4ede3b77e3f29fa3389da759aaabcc4f0871c91ad2fe64b42d3ed065e3
Write 1998 as a sum of distinct positive integers such that the decimal representations of any two of the summands contain the same digits.
[ "468, 846, 684" ]
[ "Write 1998 as a sum of distinct positive integers such that the decimal representations of any two of the summands contain the same digits." ]
[ "aops_c4_high_school_math" ]
[ "tir" ]
{ "tir": 1 }
1
0
0
omr-ws-89f9468b20730af2e2ac1fe64d1c2a431599fec1fc538fbe13ef2b33d6c04000
Write 2.24 as a simplified fraction.
[ "\\frac{56}{25}" ]
[ "Write 2.24 as a simplified fraction." ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-9ed534a7b9f9aa36a01a442ac82429f7a7bebc9af8c9bbeb6fe9ee28a57eaf54
Write 2023 distinct integers on the board. Perform the following operation consecutively: If two distinct numbers \(a\) and \(b\) exist such that \(a - b > 1\), then replace \(a\) with \(a - 1\) and \(b\) with \(b + 1\). If no such numbers exist, stop the operation. Let \(S\) be the sum of all the numbers on the board ...
[ "2047276" ]
[ "Write 2023 distinct integers on the board. Perform the following operation consecutively: If two distinct numbers \\(a\\) and \\(b\\) exist such that \\(a - b > 1\\), then replace \\(a\\) with \\(a - 1\\) and \\(b\\) with \\(b + 1\\). If no such numbers exist, stop the operation. Let \\(S\\) be the sum of all the ...
[ "aops_c6_high_school_olympiads" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-3fb843fb9e18f3669cc9ca1b7d2f616f6b063d6424ab8a9a0c058961910b379b
Write 271 as the sum of positive integers to maximize their product.
[ "\\( 89 \\times 3 + 2 + 2 \\)" ]
[ "Write 271 as the sum of positive integers to maximize their product." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect", "tir" ]
{ "cot": 13, "genselect": 2, "tir": 16 }
31
0
0
omr-ws-ecb0e3e982d35f61a6047381005c5f4288c9deeb40351359bb97b55a73dfecec
Write 580 as a sum of two squares.
[ "\\( 24^2 + 2^2 \\) or \\( 18^2 + 16^2 \\)" ]
[ "Write 580 as a sum of two squares." ]
[ "aops_c4_high_school_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 12, "genselect": 1, "tir": 20 }
33
0
0
omr-ws-894915a3d4cfe2481fb770f199e3f6bf9ed3f511f629ee03cbefbb475e57969e
Write \( (a-b)^2(b-c)^2(c-a)^2 \) as a function of \( \sigma_1 = a + b + c \), \( \sigma_2 = ab + bc + ca \), and \( \sigma_3 = abc \).
[ "\\( \\sigma_1^2\\sigma_2^2 + 18\\sigma_1\\sigma_2\\sigma_3 - 4\\sigma_1^3\\sigma_3 - 4\\sigma_2^3 - 27\\sigma_3^2 \\)" ]
[ "Write \\( (a-b)^2(b-c)^2(c-a)^2 \\) as a function of \\( \\sigma_1 = a + b + c \\), \\( \\sigma_2 = ab + bc + ca \\), and \\( \\sigma_3 = abc \\)." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 8 }
24
0
0
omr-ws-532cbcc2bd95fba7da9eecb8eb04a6a8d6c0b754041c845b8c5e2f46ea0cdc87
Write \( A = 16^{0.249999999\ldots} \) as a fraction in simplest form.
[ "2/1" ]
[ "Write \\( A = 16^{0.249999999\\ldots} \\) as a fraction in simplest form." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 27 }
43
0
0
omr-ws-f578e807b8faf412ef0a9baabcd11eb06e2bee7939fdf22be39d55054abdd112
Write \( B_n(1) \) as \( I \times J(x) \times B_{n-2}(x,y) \), where \( I \) is a fixed interval for the variable \( x \), \( J \) is an interval for \( y \) dependent on \( x \), and \( B_{n-2}(x,y) \) is a ball in \( \mathbb{R}^{n-2} \) with a radius dependent on \( x \) and \( y \).
[ "[-1, 1] \\times \\left[-\\sqrt{1 - x^2}, \\sqrt{1 - x^2}\\right] \\times B_{n-2}\\left(\\sqrt{1 - x^2 - y^2}\\right)" ]
[ "Write \\( B_n(1) \\) as \\( I \\times J(x) \\times B_{n-2}(x,y) \\), where \\( I \\) is a fixed interval for the variable \\( x \\), \\( J \\) is an interval for \\( y \\) dependent on \\( x \\), and \\( B_{n-2}(x,y) \\) is a ball in \\( \\mathbb{R}^{n-2} \\) with a radius dependent on \\( x \\) and \\( y \\)." ]
[ "aops_c7_college_math" ]
[ "cot" ]
{ "cot": 15 }
15
0
0