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id
int64
1
100
image
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265
1.6k
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0
4
answer
stringlengths
1
67
topic
stringclasses
5 values
1
[]
2025
algebra
2
[]
61.5
algebra
3
[ "5.03*10^14", "5.03*10^13", "0.503*10^14", "5.03*10^12" ]
5.03*10^13
algebra
4
[]
48
algebra
5
[ "-2", "-6", "0", "2" ]
-6
algebra
6
[]
1.5
algebra
7
[]
2
algebra
8
[]
-1
algebra
9
[ "√9", "22/7", "π", "(√3)^0" ]
π
algebra
10
[]
7
algebra
11
[ "-10", "10", "4", "-4" ]
-4
algebra
12
[]
x^3-4x^2-3
algebra
13
[]
3
algebra
14
[]
-2/3
algebra
15
[]
12
algebra
16
[]
12
algebra
17
[]
17
algebra
18
[]
7
algebra
19
[ "2", "3或-5", "1", "2或-2" ]
3或-5
algebra
20
[]
2019
algebra
21
[]
2(x+2)(x-2)
algebra
22
[]
(a-1)^2
algebra
23
[]
xy(x+2)
algebra
24
[]
(x+6)(x-2)
algebra
25
[]
-2024
algebra
26
[]
x≠0
algebra
27
[ "1", "2", "3", "4" ]
2
algebra
28
[ "2x/(x^2+1)", "x/(2x+1)", "3x/(x^3+1)", "(x-5)/x^2" ]
2x/(x^2+1)
algebra
29
[]
1.5
algebra
30
[]
-1.5
algebra
31
[]
(1)A种进价为100元,B种进价为60元 (2)20
algebra
32
[]
(1)A种单价为300元,B种单价为200元 (2)100件
algebra
33
[ "m≥-1", "m≤1", "m≥-1且m≠0", "m≤1且m≠0" ]
m≤1且m≠0
algebra
34
[]
13/4
algebra
35
[]
√17或-√17
algebra
36
[]
(-5,-4)
algebra
37
[]
2或-2
algebra
38
[]
(1)k≤1/4 (2)不存在
algebra
39
[]
2
algebra
40
[ "14", "13", "12", "11" ]
13
algebra
41
[]
1
algebra
42
[]
-8
algebra
43
[]
(1)a = 1 , b = 3 (2)-2 ≤ p < -1/3
algebra
44
[]
0
algebra
45
[ "a = 5", "a ≥ 5", "a ≤ 5", "a < 5" ]
a ≤ 5
algebra
46
[]
(1) AD = 80.0m (2)AM = 40.0m
comprehensive
47
[]
(1)113.6° (2)在规定范围内
comprehensive
48
[]
(1)120.7mm (2)33.4°
comprehensive
49
[]
(1) ①160 ②27cm (2)33.2°
comprehensive
50
[]
(1)43.2cm (2)62.8cm
comprehensive
51
[ "角的度量中,1°=100',1'=100”", "射线AB的长度为3cm", "经过两点可以画并且只能画一条直线", "延长直线AB" ]
C
geometry
52
[ "两点之间直线最短", "如果∠α=53°,那么的补角的度数为37°", "如果一个角的余角和补角都存在,那么这个角的余角比这个角的补角小", "相等的两个角是对顶角" ]
C
geometry
53
[]
余角为24°32′,补角为114°32′
geometry
54
[ "4", "5", "6", "7" ]
B
geometry
55
[ "如果a^2=b^2,那么a=b", "如果两个角都是直角,那么这两个角相等", "对顶角相等", "相等的角是内错角" ]
A
geometry
56
[ "1对", "2对", "3对", "4对" ]
B
geometry
57
[ "2", "3", "4", "5" ]
C
geometry
58
[ "105°", "110°", "115°", "120°" ]
C
geometry
59
[ "0个", "1个", "2个", "3个" ]
B
geometry
60
[ "10°", "20°", "30°", "60°" ]
A
geometry
61
[ "三边互不相等的三角形", "等边三角形", "锐角三角形", "以上都有可能" ]
B
geometry
62
[ "相等的角是对顶角", "三角形的一个外角大于这个三角形的任何一个内角", "三角形任意两边之和大于第三边", "两条直线被第三条直线所截,内错角相等" ]
C
geometry
63
[]
90°或60°
geometry
64
[ "130°,10°", "112°,28°", "130°,112°", "130°,10°或112°,28°" ]
D
geometry
65
[]
(1)△ABC为直角三角形 (2)0.9
geometry
66
[ "a+b", "a^2+b^2", "(a+b)^0.5", "(a^2+b^2)^0.5" ]
C
geometry
67
[]
3^0.5
geometry
68
[]
(1)y=-0.5x+1 (2)存在,P(2,0)或P(-4,3) (3)M(190/31,-64/31)或M(-22/5,16/5)
geometry
69
[ "3", "4", "5", "6" ]
A
geometry
70
[]
(1)60,61 (2)0.25*m^2-1
geometry
71
[]
5*5^0.5
geometry
72
[]
7.5
geometry
73
[]
4
geometry
74
[ "对角线相等且相互垂直的四边形是菱形", "四条边相等的四边形是正方形", "对角线相互垂直的四边形是平行四边形", "对角线相等且相互平分的四边形是矩形" ]
D
geometry
75
[ "正方形的对角线互相垂直", "两组对边分别相等的四边形是平行四边形", "对角线相等的四边形是矩形", "菱形的四条边相等" ]
C
geometry
76
[]
6
geometry
77
[]
0.75
geometry
78
[]
30°
geometry
79
[ "一组对边平行,一组对边相等的四边形为平行四边形", "经过半径外端点的直线为圆的切线", "垂直于弦的直径平分这条弦", "n边形的外角和为(n-2)*18°" ]
C
geometry
80
[ "当AC=BD时,平行四边形ABCD为菱形", "当AB=AD时,平行四边形ABCD为矩形", "当∠AOD=90°时,平行四边形ABCD为菱形", "当BC⊥CD时,平行四边形ABCD为正方形" ]
C
geometry
81
[ "1/2", "1/3", "1/4", "1/5" ]
B
geo31
82
[ "将圆锥的侧面沿母线剪开并展平,得到一个矩形", "投掷一枚正六面体骰子,朝上一面的点数为6", "过弦中点的直径垂直于弦", "圆心到圆上各点的距离相等" ]
D
geometry
83
[]
5/3
geometry
84
[]
3/2
geometry
85
[ "(a^2-9)平方米", "a^2平方米", "9 平方米", "无法确定" ]
A
geometry
86
[]
S3>S2>S1
geometry
87
[]
120+4π
geometry
88
[]
1≤x≤7
geometry
89
[ "2/5", "1/6", "1/8", "1/10" ]
D
geometry
90
[]
(1)y=2(x-1)²+3 (2)7π/2 平方厘米
geometry
91
[]
(1)①④ (2)①q=ab;②-6;③4
geometry
92
[]
8
geometry
93
[ "1个", "2个", "3个", "4个" ]
C
geometry
94
[]
(1)25% (2)当该吉祥物降价1.5元时,8月份的利润可达最大,为9245元
probability
95
[ "3.51(1+x)=3.92", "3.51(1+2x)=3.92", "3.51(1+x)^2=3.92", "3.92(1+x)^2=3.51" ]
C
probability
96
[]
0.2
probability
97
[ "折线统计图", "条形统计图", "扇形统计图", "频数直方图" ]
A
probability
98
[]
30%
probability
99
[ "平均数", "中位数", "众数", "方差" ]
B
comprehensive
100
[]
128
geometry
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