2683
0
70
2871
0
67
3405
3
65
3900
2
63
1505
0
60
2784
1
59
2041
1
59
2139
0
58
2618
0
58
3721
0
57
4599
0
57
2687
11
56
1736
0
54
2165
0
54
2051
3
54
1278
0
52
6517
4
51
2164
0
50
2053
0
50
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Keyword(s): 微分