919
8
26
845
4
26
1196
14
24
1202
4
23
1533
6
22
566
0
20
922
8
19
651
2
19
733
0
19
900
4
19
357
2
19
643
8
19
934
9
17
465
0
17
331
2
17
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Keyword(s): 数学