627
2
34
601
0
34
476
0
34
606
0
34
638
8
34
490
1
34
574
2
34
688
6
33
463
0
33
448
0
33
490
0
33
797
0
33
430
0
33
534
0
33
1092
0
33
853
0
33
583
0
33
729
2
33
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Keyword(s): 数学