13539
15
300
4251
0
51
1506
7
44
2876
1
44
2331
3
40
1581
3
34
1717
2
29
1371
0
23
1083
2
23
812
0
18
735
0
18
1164
4
15
986
0
13
585
0
9
1028
0
9
608
2
7
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Keyword(s): 数学2 証明