计算8^m除以4^m除以2^m

问题描述:

计算8^m除以4^m除以2^m

8^m除以4^m除以2^m
=(4x2)^m/4^m*2^m
=4^mx2^m/4^mx2^m
=1

8^m除以4^m除以2^m
=8^m/(8^m)
=1;