1163
2
60
1354
21
60
1916
11
59
789
5
59
1503
0
59
7372
3
59
1419
14
59
618
2
59
2327
1
59
5212
3
59
1306
2
59
1884
6
59
1411
0
59
1429
0
59
1653
0
59
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Keyword(s): 数学?