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Problem: Return your final response within \boxed{}. Find [the decimal form of] the largest prime divisor of $100111011_6$. Solution: <think> Okay, so I need to find the largest prime divisor of the number 100111011 in base 6, converted to decimal form. Hmm, let me start by understanding the steps involved here. First...
reasoning
Problem: The maximum value of the function $f(x)=\frac{4}{{x-3}}+x(x<3)$ is ( ). A: $-4$ B: $1$ C: $5$ D: $-1$ Solution: <think> Okay, so I need to find the maximum value of the function f(x) = 4/(x - 3) + x, but only for x less than 3. The options given are A: -4, B:1, C:5, D:-1. Hmm, let me think step by step. ...
reasoning
Problem: 5. The length of the diagonal $AC$ of the rhombus $ABCD$ with an acute angle at vertex $A$ is 12. Points $M$ and $N$ on sides $DA$ and $DC$ are the bases of the heights of the rhombus dropped from vertex $B$. The height $BM$ intersects the diagonal $AC$ at point $P$ such that $AP: PC = 2: 3$. Find the length o...
reasoning
Problem: Given the function $f(x) = ax^2 + (b-3)x + 3$, where $x \in [2a-3, 4-a]$ is an even function, find the value of $a+b$. Solution: <think> Okay, so I need to find the value of a + b given that the function f(x) = ax² + (b - 3)x + 3 is an even function on the interval [2a - 3, 4 - a]. Hmm, let me recall what an ...
reasoning
Problem: If the function $f(x) = (x+a)^3$ holds true for any $x \in \mathbb{R}$ such that $f(1+x) = -f(1-x)$, find the value of $f(2) + f(-2)$. Solution: <think> Okay, so I have this problem here: the function f(x) = (x + a)^3 satisfies the equation f(1 + x) = -f(1 - x) for all real numbers x. I need to find the value...
reasoning
Problem: Given that the radius of circle $\odot O$ is 6, and the distance between point $A$ and the center $O$ is 5, then the position relationship between point $A$ and circle $\odot O$ is ( ). A: Point $A$ is outside circle $\odot O$ B: Point $A$ is inside circle $\odot O$ C: Point $A$ is not inside circle $\odot ...
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Problem: Given that in acute triangle $\triangle ABC$, the sides opposite angles $A$, $B$, and $C$ are $a$, $b$, and $c$ respectively, and $(b+c)(\sin B+\sin C)=a\sin A+3b\sin C$. $(1)$ Find angle $A$; $(2)$ Find the minimum value of $\frac{1}{\tan B}+\frac{1}{\tan C}$. Solution: <think> Okay, let's see. I have th...
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Problem: Out of the 120 people who attended the party, 1/3 are men while x% are women. The rest are children. How many children attended the party? If we know the answer to the above question is 20, what is the value of unknown variable x? Solution: <think> Okay, let's see. The problem says there are 120 people at a p...
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Problem: For an integer $n \ge 3$ we consider a circle with $n$ points on it. We place a positive integer at each point, where the numbers are not necessary need to be different. Such placement of numbers is called [i]stable [/i] as three numbers next to always have product $n$ each other. For how many values of $n$ w...
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Problem: Define a function $f(x)$ on $R$ such that $f(-x) = f(x)$, and for any distinct real numbers $x_{1}$, $x_{2} \in [0,+\infty)$, $\frac{f(x_{1})-f(x_{2})}{x_{1}-x_{2}} < 0$ holds. If the inequality $f(2mx-\ln x-3) \geq 2f(3)-f(-2mx+\ln x+3)$ always holds for $x \in [1,3]$, what is the range of real number $m$? A...
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Problem: Return your final response within \boxed{}. Prove that every random function \(X = \left(X_{t}\right)_{t \in T}\), considered as a random element taking values in the space \((\mathbb{R}^{T}, \mathscr{B}(\mathbb{R}^{T}))\), is a stochastic process, i.e., a collection of random variables \(X_t\), and vice versa...
reasoning
Problem: Given the matrix equation \[ C \times \begin{pmatrix} 9 & 1 \\ 4 & 6 \\ 3 & 4 \end{pmatrix} = \begin{pmatrix} 9 & 1 \\ 4 & 6 \\ 3 & 4 \end{pmatrix}, \] where \( C \) is a \( 3 \times 3 \) matrix, determine the conditions under which \( C \) can exist. Additionally, find the eigenvalues of \( C \) if \( v_1 ...
reasoning
Problem: Return your final response within \boxed{}. In a dark room, there are several socks of five different colors: red, green, blue, yellow, and white. In order to ensure that you can get 10 matching pairs of socks (two socks of the same color make a pair), what is the minimum number of socks you need to take out o...
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Problem: Let \\(\theta\\) be an angle in the second quadrant, and if \\(\tan (\theta+ \frac {\pi}{3})= \frac {1}{2}\\), then \\(\sin \theta+ \sqrt {3}\cos \theta=\\) ? A: \\(-1\\) B: \\(1\\) C: \\(- \frac {2 \sqrt {5}}{5}\\) D: \\( \frac {2 \sqrt {5}}{5}\\) Solution: <think> Okay, so I need to solve this trigonometry ...
reasoning
Problem: Example 5 Solve the equation $$ \sqrt{x^{2}+3 x+7}-\sqrt{x^{2}-x+10}=1 \text {. } $$ Solution: <think> Alright, let's see. I need to solve this equation: √(x² + 3x + 7) - √(x² - x + 10) = 1. Hmm, okay. So, we have two square roots subtracted, and the result is 1. My first thought is that maybe I can isolate o...
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Problem: 5. Let $f(x)=\frac{1+x}{1-3 x}$. Define $$ \begin{array}{l} f_{1}(x)=f(f(x)), \\ f_{n}(x)=f\left(f_{n-1}(x)\right) \quad(n=2,3, \cdots) . \end{array} $$ Then $f_{2011}(2011)=$ Solution: <think> Okay, so I need to find f_{2011}(2011) where f(x) is defined as (1 + x)/(1 - 3x), and each subsequent f_n is the co...
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Problem: 3. The function $f(x)=2 \sqrt{x-1}+\sqrt{6-2 x}$ achieves its maximum value when $x=$ Solution: <think> Okay, so I need to find the value of x where the function f(x) = 2√(x−1) + √(6−2x) reaches its maximum. Hmm, let's start by understanding the domain of the function because there are square roots involved. ...
reasoning
Problem: Return your final response within \boxed{}. $P$ is an interior point of the angle whose sides are the rays $OA$ and $OB.$ Locate $X$ on $OA$ and $Y$ on $OB$ so that the line segment $\overline{XY}$ contains $P$ and so that the product $(PX)(PY)$ is a minimum. Solution: <think> Okay, so I n...
reasoning
Problem: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You have been appointed as the designer for your school's computer network. In total, there are N computers in the class, and M com...
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Problem: 2. The number of positive integer solutions to the system of equations $\left\{\begin{array}{l}x y+y z=63, \\ x z+y z=23\end{array}\right.$ is ( ). (A) 1 (B) 2 (C) 3 (D) 4 Solution: <think>Okay, so I have this system of equations to solve for positive integers x, y, z. The equations are: 1. xy + yz = 63 2. x...
reasoning
Problem: You are tasked with creating a custom form class in Python for a web application using the Django framework. The form class should be designed to handle user input for settings related to the application. The form should include fields for various settings such as username, email, notification preferences, and...
reasoning
Problem: Find the derivative of the function $y=x\ln x$. Solution: <think> Okay, so I need to find the derivative of the function y = x ln x. Hmm, derivatives. Let me recall the rules. I remember that when you have a function that's a product of two functions, you need to use the product rule. Right, the product rule....
reasoning
Problem: The value of $a$ that can serve as a counterexample to show that the proposition "If $a \gt -2$, then $a^{2} \gt 4$" is false is ( ). A: $a=3$ B: $a=0$ C: $a=-3$ D: $a=-2$ Solution: <think> Okay, so I need to find a counterexample to the proposition "If a > -2, then a² > 4." A counterexample would be a va...
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Problem: You are tasked with implementing a custom unsigned 16-bit integer (U16) data type in Swift. The U16 type should support basic arithmetic operations and provide methods for performing specific operations on 16-bit unsigned integers. Your task is to implement the U16 type and its associated methods as described ...
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Problem: Let $p$: There exists $x_0 \in \mathbb{R}$, such that $mx_0^2+1\leq0$, and $q$: For all $x \in \mathbb{R}$, $x^2+mx+1>0$. If the proposition $p \lor q$ is true, then the range of the real number $m$ is (   ) A: $(-\infty, 2)$ B: $(2, +\infty)$ C: $(-2, 2)$ D: $(-\infty, 2] \cup [2, +\infty)$ Solution: <...
reasoning
Problem: Tom has been saving money for a new bike and has $\$$120 in his piggy bank. He wants to buy a bike that costs $\$$180. Tom's parents have agreed to give him an allowance of $\$$5 per week for doing chores. However, Tom also spends $\$$2 per week on snacks. How many weeks will it take Tom to save enough money t...
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Problem: 5. For which negative integer values of $n$ is the function $f$, defined by the equation $$ f(x)=\cos 7 x \cdot \sin \frac{25 x}{n^{2}} $$ a periodic function with period $T=7 \pi$? Solution: <think> Okay, so I need to figure out for which negative integers n the function f(x) = cos(7x) * sin(25x/n²) is per...
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Problem: Please explain the reasoning behind the following solution and provide code in PHP: Implement [pow(x, n)](http://www.cplusplus.com/reference/valarray/pow/), which calculates `x` raised to the power `n` (i.e., `xn`). **Example 1:** **Input:** x = 2.00000, n = 10 **Output:** 1024.00000 **Example 2:** **Input...
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Problem: What is a leaf pulled off of? A: forrest B: ground C: compost pile D: cactus E: floral arrangement Solution: <think> Okay, let's try to figure out the answer to this question. The question is asking, "What is a leaf pulled off of?" with the options being A: forest, B: ground, C: compost pile, D: cactus, E: fl...
reasoning
Problem: I have an array of integer numbers in JavaScript. I need to perform a series of operations on this array without modifying the original array. First, I need to reverse the order of the elements. Then, I want to create a new version of the array where every third reversed element is multiplied by the position o...
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Problem: You are tasked with implementing a macro expansion feature in a programming language. The macro expansion should take a syntax tree as input and return the macro declaration name along with the new syntax if successful. If all macros throw `Macro.Exception.unsupportedSyntax`, then the function should return No...
reasoning
Problem: 1. Given that $AB$ is a line segment of length 8, and point $P$ is at a distance of 3 from the line containing $AB$. Then the minimum value of $AP \cdot PB$ is $\qquad$. Solution: <think> Okay, so I have this problem here: Given a line segment AB of length 8, and point P is at a distance of 3 from the line co...
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Problem: Exercise 12. In how many ways can the integers from 1 to 2021 be colored such that each integer is colored either blue, green, or red, and such that two consecutive integers are never the same color? Solution: <think> Okay, let's try to figure out this problem. So, we need to color the integers from 1 to 2021...
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Problem: You are tasked with creating a unit test for a mobile application feature that involves navigating from an image preview to a web view. The code snippet provided is the beginning of a unit test written in Swift using XCTest framework. The test is intended to verify that when the "image preview" action is calle...
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Problem: A man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream? Answer Choices: (A) 5 (B) 6 (C) 7 (D) 8 (E) 9 Solution: <think> Okay, so I have this problem here: A man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. I need ...
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Problem: Please focus on the algorithm of this problem and provide code in javascript: Given an integer array `nums` sorted in non-decreasing order and an integer `target`, return `true` _if_ `target` _is a **majority** element, or_ `false` _otherwise_. A **majority** element in an array `nums` is an element that appe...
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Problem: You are tasked with implementing a class that applies a series of transformations to a given dataset. The class, `TransformDataset`, takes in a dataset and a set of transformations, and ensures that the transformations are valid before applying them. The `TransformDataset` class has the following requirements...
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Problem: Design a function that meticulously outputs the individual elements of a provided array, but does so following a reversed order. Example array: [2, 4, 6, 8] Solution: <think> Okay, so I need to design a function that takes an array and outputs its elements in reverse order. Let me think about how to approach ...
reasoning
Problem: A polygonal pyramid is a three-dimensional solid. Its base is a regular polygon. Each of the vertices of the polygonal base is connected to a single point, called the apex. The sum of the number of edges and the number of vertices of a particular polygonal pyramid is 1915. How many faces does this pyramid have...
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Problem: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.String magic As a witch, you are still practicing magic today. You now have the string X, which consists of lowercase letters, at ...
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Problem: You are tasked with creating a Python program to draw a 2D grid of squares using the Turtle graphics library. The grid should consist of a specified number of rows and columns, with each cell in the grid being a square of a given size. Your task is to complete the Python program by implementing the necessary ...
reasoning
Problem: 58. Compute the integral $$ \int_{-1}^{1} \frac{d x}{1+x^{3}+\sqrt{1+x^{6}}} $$ Solution: <think> Okay, let's see. I need to compute the integral from -1 to 1 of 1 divided by (1 + x³ + the square root of (1 + x⁶)) dx. Hmm, that looks a bit complicated. Let me write it down properly to visualize better: ∫₋₁¹...
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Problem: Let $D$ be a point on side $B C$ of $\triangle A B C$, and point $P$ lies on line segment $A D$. A line through point $D$ intersects line segments $A B$ and $P B$ at points $M$ and $E$, respectively, and intersects the extensions of line segments $A C$ and $P C$ at points $F$ and $N$, respectively. If $D E = D...
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Problem: If $a, b \in \mathbb{R}$, consider the following propositions: Proposition A: $|a-b| < 3$; Proposition B: $|a| < 1$ and $|b| < 2$. Then, Proposition A is ( ) to Proposition B. A: A sufficient but not necessary condition B: A necessary but not sufficient condition C: Both a sufficient and necessary condition D:...
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Problem: Return your final response within \boxed{}. A palindrome is a number that reads the same forwards and backwards, such as 3003. How many positive four-digit integers are palindromes? Solution: <think> Okay, so the problem is asking for the number of positive four-digit integers that are palindromes. Let me sta...
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Problem: In a physical education class, a group of male students from a certain class took a $100m$ running test, with the passing time being $15s$. The table below reflects the performance of $10$ male students in the group (unit: $s$), with scores higher and lower than $15s$ recorded as positive and negative, respect...
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Problem: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Paladin Manao caught the trail of the ancient Book of Evil in a swampy area. This area contains n settlements numbered from 1 to n....
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Problem: 33. Two players $A$ and $B$ play rock-paper-scissors continuously until player $A$ wins 2 consecutive games. Suppose each player is equally likely to use each hand-sign in every game. What is the expected number of games they will play? Solution: <think> Okay, so I need to figure out the expected number of ga...
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Problem: Use the Euclidean algorithm to find the greatest common divisor of the two numbers 102 and 238, which is \_\_\_\_\_\_. Solution: <think> Okay, so I need to find the greatest common divisor (GCD) of 102 and 238 using the Euclidean algorithm. Hmm, let me remember how that works. The Euclidean algorithm involves...
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Problem: What are you usually at when you sit on a bench on a curb? A: ohio B: city C: street corner D: tree E: bus stop Solution: <think> Okay, so I need to figure out the answer to this question. Let me read it again. The question is: "What are you usually at when you sit on a bench on a curb?" The options are A: Oh...
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Problem: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.There are N people in a group. The personality of each person is denoted by A[i] from the set A, where A[i] denotes the personality...
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Problem: Given the function $f(x)=(x^3-6x^2+3x+t)e^x$, where $t\in \mathbb{R}$. (1) If the function $y=f(x)$ successively takes extreme values at $x=a$, $x=b$, and $x=c$ ($a<b<c$), ① find the range of values for $t$; ② if $a+c=2b^2$, find the value of $t$. (2) If there exists a real number $t\in [0,2]$ such tha...
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Problem: How many integers $n$ satisfy $(n+3)(n-7) \le 0$? Solution: <think> Okay, let's see. I need to figure out how many integers n satisfy the inequality (n + 3)(n - 7) ≤ 0. Hmm, inequalities can sometimes be tricky, but I remember that solving quadratic inequalities involves finding the critical points and testin...
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Problem: Let $d_1, d_2, \ldots , d_{k}$ be the distinct positive integer divisors of $6^8$. Find the number of ordered pairs $(i, j)$ such that $d_i - d_j$ is divisible by $11$. Solution: <think> Okay, so I need to find the number of ordered pairs (i, j) such that the difference between two distinct divisors of 6^8 is...
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Problem: Given two sets $A = \{2, 3, 4\}$ and $B = \{2, 4, 6\}$, if $x \in A$ and $x \notin B$, then $x$ equals to $\_\_\_\_\_\_$. Solution: <think> Okay, let me see. So, I have two sets here, A and B. Set A is {2, 3, 4}, and set B is {2, 4, 6}. The question is asking, if x is in A and x is not in B, then what does x ...
reasoning
Problem: Let the function $f(x)=|\sin (x+ \frac {\pi}{3})|(x\in\mathbb{R})$. Then $f(x)$ A: is a periodic function with the smallest positive period of $\pi$. B: is a periodic function with the smallest positive period of $\frac {\pi}{2}$. C: is a periodic function with the smallest positive period of $2\pi$. D: is not...
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Problem: If the sum of the binomial coefficients in the expansion of ${(x-\frac{2}{{x}^{2}})}^{n}$ is $64$, then ( ) A: The coefficient of the $x^{3}$ term in the expansion is $-12$ B: The term with the largest binomial coefficient in the expansion is $-\frac{160}{{x}^{3}}$ C: The term with the smallest coefficient ...
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Problem: You are tasked with implementing a function that will analyze a given string representing a song's lyrics and return the number of times a specific word appears in the lyrics. The function should be case-insensitive, meaning that it should treat "Love" and "love" as the same word. You are given the following ...
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Problem: You are tasked with creating a React component that renders a user filter for a data table. The filter needs to include a search filter, an organization unit input, dropdowns for inactive months and invitation status, and a checkbox for self-registration. The filter should be controlled by the filter state and...
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Problem: 12. For a natural number $n$, if there exist non-zero natural numbers $a$ and $b$ such that $n=a+b+a \times b$, then $n$ is called a "good number". For example, $3=1+1+1 \times 1$, so 3 is a "good number". Among the 100 natural numbers from 1 to 100, there are $\qquad$ "good numbers". Solution: <think> Okay, ...
reasoning
Problem: The domain of the function $f(x)=\sqrt{1-{2^x}}$ is ______. Solution: <think> Okay, let's see. I need to find the domain of the function f(x) = sqrt(1 - 2^x). Hmm, the domain of a function refers to all the real numbers x for which the function is defined. Since this is a square root function, the expression ...
reasoning
Problem: Among the five numbers 1, 2, 3, 4, 5, if three numbers are randomly selected, the probability that the remaining two numbers are both odd is \_\_\_\_\_\_ (The result should be expressed as a numerical value). Solution: <think> Okay, let's see. The problem is: Among the numbers 1, 2, 3, 4, 5, if three number...
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Problem: Determine if the boundaries of two rectangles intersect. Your program should return True if any part of one rectangle touches or overlaps the other, and False if they are completely separate. Rectangles that only share a corner are considered to intersect. Input consists of two pairs of coordinates representin...
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Problem: 1. If the function $f(x)=3 \cos \left(\omega x+\frac{\pi}{6}\right)-\sin \left(\omega x-\frac{\pi}{3}\right)(\omega>0)$ has the smallest positive period of $\pi$, then the maximum value of $f(x)$ in the interval $\left[0, \frac{\pi}{2}\right]$ is $\qquad$ . Solution: <think> Okay, let's try to tackle this pro...
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Problem: 4. Solve the equation $$ x^{2018}+\frac{1}{x^{2018}}=1+x^{2019} $$ Solution: <think> Okay, so I have this equation to solve: \( x^{2018} + \frac{1}{x^{2018}} = 1 + x^{2019} \). Hmm, that's a pretty high exponent. Let me see how I can approach this. Maybe I can start by simplifying or substituting variables t...
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Problem: 5. (10 points) The distance from home to work is $s=3 \kappa$ km. At the moment Ivan left work, his favorite dog ran out of the house towards him. They met at a distance of a quarter of the entire path from work. The dog instantly turned around and ran back home. Upon reaching home, he instantly turned around ...
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Problem: How can I rearrange the given PHP code in a descending order based on the object identifier? Solution: <think> Okay, the user wants to rearrange some PHP code in descending order based on the object identifier. Let me figure out how to approach this. First, I need to see the code they're working with. But si...
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Problem: As the digital frontier expands, so does the art of coding in innovative ways. Your challenge is to craft a program that dynamically generates another program tasked with producing a unique and nonsensical poem. The overarching program should accept a theme and a set number of lines as input. It will create ...
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Problem: You are tasked with creating a Python program that simulates a simple UDP server for receiving and processing data packets. The program should prompt the user for an IP address, create a UDP socket, bind it to a specific port, and then continuously receive and process incoming data packets. Your task is to co...
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Problem: 8. (10 points) In the inscribed quadrilateral $A B C D$, the degree measures of the angles are in the ratio $\angle A: \angle B: \angle C=2: 3: 4$. Find the length of $A C$, if $C D=8, B C=7.5 \sqrt{3}-4$. Solution: <think> Okay, so I have this problem about an inscribed quadrilateral ABCD. The angles at A, B...
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Problem: XX OM - II - Task 2 Find all four-digit numbers in which the thousands digit is equal to the hundreds digit, and the tens digit is equal to the units digit, and which are squares of integers. Solution: <think> Okay, let's see. The problem is to find all four-digit numbers where the thousands digit equals the...
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Problem: I'm working on a program in Debian 9.5 with gcc 6.3.0, and I'm having trouble getting an embedded assembly function to work when I try to use multiple `InputOperands`. Here's the code that is currently working with a basic `rol` function, one `InputOperand`, and a predefined `rol` operand: ```c #include <st...
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Problem: If the function $f(x)=a^{x}(a > 0,a\neq 1)$ has a maximum value of $4$ on the interval $[-2,1]$ and a minimum value of $m$, and the function $g(x)=(1-4m) \sqrt{x}$ is decreasing on the interval $[0,+\infty)$, then the value of $a$ is. Solution: <think> Okay, let's try to tackle this problem step by step. So, ...
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Problem: Devise a sophisticated function or program capable of executing fundamental arithmetic operations (addition, subtraction, multiplication, and division) in both decimal (base 10) and binary (base 2) numeral systems. The function must accept a mathematical expression as input and return the accurate result in th...
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Problem: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Leo has developed a new programming language C+=. In C+=, integer variables can only be changed with a "+=" operation that adds the...
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Problem: Example 2 Find the maximum value of the positive integer $r$ that satisfies the following condition: for any five 500-element subsets of the set $\{1,2, \cdots, 1000\}$, there exist two subsets that have at least $r$ elements in common. ${ }^{\text {[2] }}$ (2013, Romanian National Team Selection Exam) Soluti...
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Problem: 3. Let $x, y, z$ be positive integers, and the sets $$ \begin{aligned} A= & \{3(x-y)(y-z)(z-x), x y z, \\ & \left.2\left(y^{2} z^{2}+z^{2} x^{2}+x^{2} y^{2}\right)\right\}, \\ B= & \left\{(x-y)^{3}+(y-z)^{3}+(z-x)^{3},\right. \\ & \left.x+y+z, x^{4}+y^{4}+z^{4}\right\} . \end{aligned} $$ If $A=B$, then $x^{3}...
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Problem: Observe the sequence 1, $\frac{1}{2}$, $\frac{2}{1}$, $\frac{1}{3}$, $\frac{2}{2}$, $\frac{3}{1}$, $\frac{1}{4}$, $\frac{2}{3}$, $\frac{3}{2}$, $\frac{4}{1}$, ..., then the term $\frac{2}{6}$ will appear in this sequence at position (  ) A: 21st term B: 22nd term C: 23rd term D: 24th term Solution: <th...
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Problem: ## 22. Age Difference The sums of the digits that make up the birth years of Jean and Jacques are equal to each other, and the age of each of them starts with the same digit. Could you determine the difference in their ages? Solution: <think> Okay, let's see. So the problem is about Jean and Jacques, whose b...
reasoning
Problem: Return your final response within \boxed{}. Given Propositions: 1. The locus of points equidistant from two skew lines is a plane. 2. For any given three planes in space, there exists a point equidistant from them. Which of the following is true? A. Only Proposition 1 B. Only Proposition 2 C. Both Proposition...
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Problem: 3889 + 14.952 - ? = 3854.002 Answer Choices: (A) 47.95 (B) 49.95 (C) 45.97 (D) 47.59 (E) 45.79 Let's write a Python program to solve it. Solution: <think> First, I need to understand the problem. The equation is 3889 plus 14.952 minus an unknown value equals 3854.002. My goal is to find that unknown value. T...
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Problem: Jon’s textbooks weigh three times as much as Brandon’s textbooks. Jon has four textbooks that weigh two, eight, five and nine pounds respectively. How much do Brandon’s textbooks weigh? Solution: <think> Okay, let's see. The problem says that Jon’s textbooks weigh three times as much as Brandon’s textbooks. J...
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Problem: If the function $f(x)$ and $g(x) = \left(\frac{1}{2}\right)^x$ are inverse functions of each other, then the interval of monotonic increase for the function $f(4 - x^2)$ is ( ). A: $(-\infty, 0]$ B: $[0, +\infty)$ C: $(-2, 0]$ D: $[0, 2)$ Solution: <think> Okay, let's see. So, the problem says that f(x...
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Problem: Return your final response within \boxed{}. Alyosha wrote five integers on the board - the coefficients and roots of a quadratic polynomial. Borya erased one of them. The remaining numbers are $2, 3, 4, -5$. Restore the erased number. Solution: <think> Okay, let me try to figure this out. So, Alyosha wrote fi...
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Problem: The constant term in the expansion of $(x+ \frac{1}{x} -2)^5$ is (  ) A: 252 B: -252 C: 160 D: -160 Solution: <think> Okay, so I need to find the constant term in the expansion of \((x + \frac{1}{x} - 2)^5\). Hmm, let's see. I remember that when expanding expressions like this, the constant term is the...
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Problem: Given that the point $(a,9)$ lies on the graph of the function $y=3^{x}$, find the value of $\tan \frac {aπ}{6}$. Solution: <think> Okay, let me try to solve this problem. So, the question is: Given that the point (a, 9) lies on the graph of the function y = 3^x, find the value of tan(aπ/6). Hmm, okay, let's ...
reasoning
Problem: Given a quadratic function $f(x)=x^{2}-2x-3$. $(1)$ Let $g(x)=f(x)+a$. If the graph of the function $g(x)$ does not intersect the $x$-axis, find the range of real numbers for $a$. $(2)$ Let $h(x)=x+\frac{25}{x}+b$. If for any $x_{1}\in [1,4]$, there exists $x_{2}\in (1,5]$ such that $f(x_{1})=h(x_{2})$, fi...
reasoning
Problem: If Roland has a 12cm long thread and his teacher says he needs an additional three-quarters of what he has, what is the total length of thread required to complete the exercise? Solution: <think> Okay, let's see. So Roland has a thread that's 12 centimeters long. His teacher says he needs an additional three-...
reasoning
Problem: Let $a$ be a strictly positive integer. Suppose that $4\left(a^{n}+1\right)$ is the cube of an integer for all positive integers $n$. Find $a$. Soit $a$ un entier strictement positif. On suppose que $4\left(a^{n}+1\right)$ est le cube d'un entier pour tout entier positif $n$. Trouver $a$. (Note: The second l...
reasoning
Problem: (5 points) Given the sets $M=\{0,1,2,3,4,5\}$ and $N=\{0,2,3\}$, then the complement of $N$ in $M$, denoted as $\complement_MN$, is (  )   A. $\{0,2,3\}$ B. $\{0,1,4\}$ C. $\{1,2,3\}$ D. $\{1,4,5\}$ Solution: <think> Okay, let me try to figure out this problem. So, we have two sets, M and N. M is {0,1,2,3,4...
reasoning
Problem: I am writing a program to find common sequences of numbers in a large table of random combinations. How can I efficiently compare sequences stored in a database using Java? I have 11 columns in my database table, with one column for each individual number and one column for the complete 10-digit sequence. The ...
reasoning
Problem: Determine all possible values of $a_1$ for which there exists a sequence $a_1, a_2, \dots$ of rational numbers satisfying $$a_{n+1}^2-a_{n+1}=a_n$$ for all positive integers $n$. Solution: <think> Okay, let's see. The problem is asking for all possible values of a₁ (which is a rational number) such that there...
reasoning
Problem: 11. (10 points) Above are the building blocks with one star, two stars, and three stars as shown in figures $(a)$, $(b)$, and $(c)$. There are 5 blocks with one star, 2 blocks with two stars, and 1 block with three stars. If several of these blocks are used to form a strip of five stars, how many different way...
reasoning
Problem: Given that the base radius of a cone is 4cm and its slant height is 5cm, what is the cone's lateral surface area? Solution: <think>Okay, so I have this problem here about finding the lateral surface area of a cone. The base radius is given as 4 cm, and the slant height is 5 cm. Hmm, let me think. I remember t...
reasoning
Problem: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Little girl Margarita is a big fan of competitive programming. She especially loves problems about arrays and queries on them. Rec...
reasoning
Problem: Return your final response within \boxed{}. There are 9 cards, each with a digit from 1 to 9 written on it (one digit per card). Three cards are randomly chosen and placed in a sequence. What is the probability that the resulting three-digit number is divisible by 3? Solution: <think> Okay, so I need to find ...
reasoning
Problem: If the function $f(x) = x^3 - 3x + a$ has 3 distinct zeros, then the range of the real number $a$ is A: $(-2,2)$ B: $[-2,2]$ C: $(-\infty, -1)$ D: $(1, +\infty)$ Solution: <think> Okay, let's see. The problem is about finding the range of the real number 'a' such that the function f(x) = x³ - 3x + a h...
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Problem: Speed of a boat in standing water is 14 kmph and the speed of the stream is 1.2 kmph. A man rows to a place at a distance of 4864 km and comes back to the starting point. The total time taken by him is Answer Choices: (A) 700 hours (B) 350 hours (C) 1400 hours (D) 1010 hours (E) None of these Solution: <think...
reasoning
Problem: (1) $a_{1}, a_{2}, a_{3}, \cdots$ is an arithmetic sequence, where $a_{1}>0, S_{n}$ represents the sum of the first $n$ terms. If $S_{3}=S_{11}$, and among $S_{1}, S_{2}, S_{3}, \cdots$, the maximum number is $S_{k}$, then $k=$ $\qquad$ . Solution: <think> Okay, let's see. I need to solve this problem about a...
reasoning
Problem: Given that $\cos (x- \frac {π}{4})= \frac { \sqrt {2}}{10}$, and $x\in( \frac {π}{2}, \frac {3π}{4})$. (I) Find the value of $\sin x$; (II) Find the value of $\sin (2x- \frac {π}{6})$. Solution: <think> Okay, let's try to solve this problem step by step. So, the problem is: Given that cos(x - π/4) = √2/10, an...
reasoning