817
5
83
2715
0
83
1879
2
83
1977
14
80
4368
3
80
2807
5
80
935
6
79
1581
8
78
2677
13
78
1673
18
78
1795
2
77
1426
6
77
1991
0
77
2143
0
76
1876
17
74
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Keyword(s): 中1 数学