计算：（4a^3)^m/[(4a^2)^m*4a]
问题描述：
计算：（4a^3)^m/[(4a^2)^m*4a]
答
（4a^3)^m/[(4a^2)^m*4a]
=（4^m*a^3m)/[(4^m*a^2m*4a)
=a^3m/(a^2m*4a)
=a^m/(4a)
=1/4*a^(m-1)