1089
0
22
665
0
22
1297
2
22
814
0
21
792
0
21
503
0
21
547
0
21
641
2
21
980
3
21
686
8
21
865
2
20
423
0
20
246
0
20
515
4
20
558
0
19
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Keyword(s): 平方根