920
0
16
767
0
16
407
0
15
305
0
15
382
0
15
1758
0
15
378
0
15
950
0
15
1055
1
14
5478
0
14
838
0
14
719
0
14
378
0
13
1317
0
13
286
0
13
2543
0
13
4465
0
13
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Keyword(s): 数学的