1024
0
18
470
3
18
417
0
18
588
0
18
613
1
18
752
0
17
548
0
17
626
0
17
531
0
17
382
0
17
491
0
17
250
0
17
288
0
17
647
0
17
427
0
17
1024
0
17
510
0
17
945
0
17
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Keyword(s): 平方根