2249
6
31
2153
3
28
1327
0
24
2904
0
23
999
0
19
3706
0
16
1193
0
14
1141
0
12
2283
0
12
1925
0
10
1554
0
10
1057
0
9
1507
0
9
488
0
9
608
0
9
718
0
9
190
1
8
437
0
8
613
0
8
282
0
8
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Keyword(s): 2-1 微分