987
14
24
1239
6
22
494
0
20
757
8
19
492
2
19
587
0
19
759
4
19
302
2
19
737
9
17
386
0
17
255
2
17
353
3
17
862
15
17
316
0
16
876
4
16
680
6
15
515
2
15
336
0
15
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Keyword(s): 数学