539
0
17
871
0
17
690
3
17
708
0
16
685
0
16
583
0
16
883
0
16
1016
0
16
531
0
16
1038
0
16
419
0
16
580
0
16
896
0
16
691
0
16
860
5
16
739
0
16
544
0
16
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Keyword(s): 平方根