4073
2
88
1376
0
43
1258
3
43
498
2
33
754
0
32
981
0
31
602
8
30
713
0
29
642
6
28
565
2
24
477
2
24
350
2
21
415
0
18
479
0
17
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Keyword(s): 数学(代数)