15176
15
301
5058
0
51
1685
7
44
3169
1
44
2525
3
40
1720
3
34
1926
2
29
1184
2
24
1549
0
23
881
0
18
827
0
18
1306
4
15
1091
0
13
632
0
9
1120
0
9
703
2
7
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Keyword(s): 数学2 証明