721
0
47
1257
3
45
1286
0
43
401
0
43
914
0
41
410
0
39
1073
2
37
530
0
34
654
2
32
880
0
32
1295
1
31
1142
0
30
649
0
29
593
1
28
751
0
27
910
0
25
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Keyword(s): 微分