if n is a positive interger and n*n is divisible by 72, then the largest positive integer that must divide n is
6 12 24 36 48
答案是12 。
举报
N^2=72*k=6^2*(2*K)
SO, N=12T,WHEN T=1,N=12
最大的能被N整除的整数,那就是12咯.
A divide N,就是 A 除N,也就是N除以A.哈哈.晕...
高,实在是高!谢谢阿!
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