若3m-2n+2=0,则8的m次方除以4的n次方=
问题描述:
若3m-2n+2=0,则8的m次方除以4的n次方=
答
8^m/4^n
=2^(3m)/2^(2n)
=2^(3m-2n)
=2^(-2)
=1/4.