1520
0
23
1666
1
22
799
5
22
1286
0
22
2387
12
21
470
4
20
1034
0
19
395
0
19
4000
0
19
1691
20
18
876
0
18
817
0
18
650
0
18
1166
0
18
705
5
17
891
2
17
820
0
17
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Keyword(s): 数学2