1624
5
31
630
0
31
1168
2
31
1104
2
31
1377
4
31
670
6
30
2350
4
30
747
0
30
1092
1
30
653
0
30
945
2
29
1054
0
29
788
0
29
1036
1
28
774
0
28
988
4
28
1326
0
28
656
1
28
1168
0
28
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Keyword(s): 中2数学