7543
0
31
2424
2
31
1084
0
31
1234
1
31
1002
4
30
1032
2
30
1498
0
30
2309
2
30
1831
0
30
1458
1
30
1330
0
30
677
0
30
1055
0
30
1054
6
30
1003
1
29
1008
0
29
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Keyword(s): 中3 数学