2403
22
21
1237
0
21
603
5
21
247
3
21
1486
12
21
1113
3
21
741
7
20
342
0
20
1489
3
20
1513
1
20
189
3
20
543
2
20
814
1
20
1259
0
20
539
0
20
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Keyword(s): 算数