若2x+5y-3=0,求4^(x-1)X32^(y)的值.急,30分钟= =

问题描述:

若2x+5y-3=0,求4^(x-1)X32^(y)的值.
急,30分钟= =

4^(x-1)*32^(y)
=(2^2)^(x-1)*(2^5)^y
=2^(2x-2)*2^5y
=2^(2x+5y-2)
=2^(2x+5y-3)*2
=2^0*2
=1*2
=2