20:1,2,4,5,10,20
21:1,3,7,21
22:1,2,11,22
23:1,23
24:1,2,3,8,12,24,4,6,
25:1,5,25
26:1,2,13,26
27:1,27,3,9
28:1,2,28,14,4,7
29:1,29
30:1,30,2,15,3,10,5,6还有倍数倍数有无数个啊,有数量要求吗?还有而30到150
20.21.22.23.24.25.26.27.28.29.30.的因数与倍数是多少
20.21.22.23.24.25.26.27.28.29.30.的因数与倍数是多少
数学人气:248 ℃时间:2020-02-06 02:19:02
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