639
2
22
847
4
22
785
0
22
538
0
22
1096
10
22
371
0
22
962
4
22
247
2
22
1193
7
22
518
3
22
1069
2
22
1168
2
22
1405
2
22
777
11
22
802
0
22
473
4
22
1618
11
22
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Keyword(s): 算数