419
0
10
442
9
10
352
0
10
856
0
10
726
0
10
792
0
10
1644
2
10
753
0
9
765
0
9
754
0
9
622
1
9
1071
0
9
318
2
9
6507
0
8
704
0
8
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Keyword(s): 数学A