677
0
17
294
2
17
742
0
17
653
0
17
638
2
17
563
0
17
501
4
17
576
0
17
626
0
17
498
0
17
464
0
17
509
0
17
13749
2
16
357
0
16
906
0
16
1268
0
16
526
0
16
514
0
16
509
1
16
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Keyword(s): 中2数学