1135
0
14
767
0
13
835
2
13
278
3
13
1693
8
13
673
0
13
610
0
13
610
0
13
986
0
13
269
0
13
321
0
13
664
0
12
577
0
12
348
0
12
609
0
12
652
1
12
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Keyword(s): 数学a