385
6
9
1097
0
9
666
2
9
1194
14
9
623
0
9
480
0
9
401
0
9
639
2
9
649
1
9
651
0
8
484
0
8
767
0
8
452
2
8
274
0
8
475
1
8
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Keyword(s): 数学2