1684
3
54
1084
2
54
2016
6
54
1200
0
54
2926
21
54
1730
5
54
1739
0
54
4085
0
54
1724
2
54
1745
18
54
1104
2
54
1959
1
54
812
0
53
2340
16
53
575
0
53
1088
0
53
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Keyword(s): 数学