下面各数中那些是质数那些是合数?:21,36,33,16,73,29,35,39,49,24,67,19,18,57.

问题描述:

下面各数中那些是质数那些是合数?:21,36,33,16,73,29,35,39,49,24,67,19,18,57.
1个回答 分类:数学 2014-12-16

问题解答:

我来补答
质数有21.33.73.29.35.39.49.67.19.57合数有36.16.24.18
 
 
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