3264
2
304
1451
0
109
1507
4
105
2035
8
87
914
1
73
5367
9
69
1118
5
67
1273
8
67
938
0
67
913
2
66
1321
0
64
1913
21
63
856
2
59
1440
4
55
889
7
52
1058
0
52
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Keyword(s): 中学数学