769
2
20
171
1
19
1085
6
19
414
0
19
586
3
19
869
4
19
476
0
19
1427
4
19
422
0
19
1297
7
19
349
2
19
1488
6
19
1231
2
19
476
2
19
1523
24
19
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Keyword(s): 算数