5491
15
397
1890
4
173
1287
4
100
1222
2
99
1507
0
88
1166
3
83
982
4
68
1035
4
65
972
4
64
1841
6
60
848
2
47
1405
29
47
606
5
40
759
2
39
811
0
35
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Keyword(s): 中1数学