1103
0
60
1163
2
60
1354
21
60
1915
11
59
789
5
59
1499
0
59
7371
3
59
1419
14
59
617
2
59
2326
1
59
5210
3
59
1306
2
59
1883
6
59
1411
0
59
1429
0
59
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Keyword(s): 数学