554
2
15
1065
0
15
637
0
15
489
0
15
814
0
15
601
0
15
324
3
15
539
0
15
385
0
15
669
0
15
529
0
15
475
0
15
308
0
15
804
0
15
423
0
15
305
0
15
456
0
15
333
0
15
693
0
15
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Keyword(s): 中1数学