Find the smallest number which can be multhiplied(倍数)by 112 to give a square number
问题描述:
Find the smallest number which can be multhiplied(倍数)by 112 to give a square number
答
答案是7.
什么数可以被112整除,结果还是一个平方数?
112/7=16,而16刚好是4的平方.