389
6
9
1106
0
9
699
2
9
1207
14
9
627
0
9
486
0
9
419
0
9
650
2
9
659
1
9
660
0
8
492
0
8
775
0
8
457
2
8
286
0
8
479
1
8
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Keyword(s): 数学2