3262
2
304
1448
0
109
1503
4
105
2030
8
87
912
1
73
5358
9
69
1269
8
67
1116
5
67
936
0
67
911
2
66
1319
0
64
1909
21
63
854
2
59
1438
4
55
882
7
52
1055
0
52
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Keyword(s): 中学数学