Question

已知3m+2n-8=0，求8的m次方×4的n次方的值。

Answer 1

3m+2n-8=0
3m+2n=8

8的m次方*4的n次方
=(2^3)^m×(2^2)^n
=2^3m×2^2n
=2^(3m+2n)
=2^8
=256