if n is a positive integer,how many of the ten digits from 0 through 9 could be the units digit of n
题目
if n is a positive integer,how many of the ten digits from 0 through 9 could be the units digit of n^3?
答案
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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