7568
0
14
696
0
12
9054
0
12
647
0
11
661
0
10
491
0
9
676
0
8
401
0
8
353
0
7
424
0
7
390
0
6
389
0
6
434
0
5
394
0
5
613
0
5
420
0
4
335
0
3
334
0
2
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Keyword(s): 高1数学a