817
5
83
2713
0
83
1879
2
83
1976
14
80
4366
3
80
2804
5
80
935
6
79
1581
8
78
2676
13
78
1672
18
78
1794
2
77
1425
6
77
1990
0
77
2141
0
76
1876
17
74
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Keyword(s): 数学 中1