【一道数学题】y[16^(2m)]÷[8^(2m)]÷4^m=?

题目

【一道数学题】y[16^(2m)]÷[8^(2m)]÷4^m=?
[16^(2m)]÷[8^(2m)]÷4^m=?

答案

[16^(2m)]÷[8^(2m)]÷4^m
=[(16/8)^(2m)]/4^m
=2^(2m)/4^m
=(2^2)^m/4^m
=4^m/4^m
=1