1766
11
31
847
0
31
991
0
31
1772
5
31
1027
3
31
1283
0
31
802
6
30
1480
8
30
1720
1
30
1003
2
30
2473
4
30
1181
1
30
546
4
30
696
0
30
790
3
30
1079
2
30
996
2
30
855
0
30
1108
0
29
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Keyword(s): 中2 数学