766
4
7
471
0
7
261
0
7
677
0
7
303
2
7
682
3
7
652
0
7
395
15
7
315
0
7
382
0
7
591
6
7
287
2
7
319
0
7
278
0
7
904
0
7
439
0
7
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Keyword(s): 数学 中2