若3x+5y=3,则4的x次方乘32的y次方等于几,

题目

若3x+5y=3,则4的x次方乘32的y次方等于几,
那个不好意思，确实应该是2x+5y

答案

若2x+5y=3,则4的x次方乘32的y次方等于几
4^x*32^y
=(2^2)^x*(2^5)^y
=2^2x*2^5y
=2^(2x+5y)
=2^3
=8