343
0
15
785
1
14
1103
1
14
526
6
13
457
4
13
356
0
13
283
2
13
475
5
13
692
7
13
422
0
12
669
1
12
423
2
12
551
0
12
733
7
12
419
3
11
268
0
11
453
1
11
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Keyword(s): 数学