668
3
20
950
1
20
917
3
20
1439
2
20
250
0
20
495
0
20
811
2
20
405
0
20
334
0
20
336
0
20
452
0
20
1376
2
20
599
2
20
133
1
19
918
6
19
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Keyword(s): 算数