1013
8
21
1025
8
21
478
1
21
675
0
21
187
0
21
810
2
21
2185
2
21
1675
13
21
654
2
21
657
2
21
861
0
21
418
0
21
410
4
21
2031
22
21
877
2
21
1135
0
21
198
3
21
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Keyword(s): 算数