4820
0
84
1967
10
80
1754
3
80
1174
0
80
3121
1
78
4191
6
78
1190
4
78
1491
0
78
2846
19
78
3907
5
77
1975
0
76
2525
2
76
2147
0
76
2305
4
76
1287
3
75
1537
0
72
3140
2
71
3111
13
71
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Keyword(s): 数学 中2