531
0
15
710
0
15
404
0
15
520
0
15
388
0
15
493
0
15
412
0
15
589
1
15
590
0
15
560
0
15
421
0
15
726
2
15
702
1
15
506
0
15
792
0
15
874
0
15
516
0
15
699
0
15
430
0
15
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Keyword(s): 中2数学