2253
6
31
2155
3
28
1329
0
24
2914
0
23
1005
0
19
3787
0
16
1193
0
14
1142
0
12
2292
0
12
1926
0
10
820
0
10
1605
0
10
1057
0
9
1510
0
9
493
0
9
611
0
9
190
1
8
437
0
8
613
0
8
287
0
8
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Keyword(s): 2-1 微分