1264
3
50
1333
2
50
888
0
50
1444
6
50
1544
0
50
790
0
50
1436
3
50
1734
0
49
739
0
49
1361
4
49
1166
0
49
682
9
49
569
9
49
1354
2
49
12616
5
49
806
2
49
1599
7
49
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Keyword(s): #数学