692
2
9
235
2
9
463
2
9
420
0
9
363
1
9
771
0
9
583
0
9
786
1
9
462
0
9
266
0
9
292
0
9
594
2
9
433
0
8
186
0
8
744
2
8
261
3
8
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Keyword(s): 数学 1年