3x+5y=3,求8^X*32^Y的值

问题描述:

3x+5y=3,求8^X*32^Y的值

∵8^X*32^Y
=(2*2*2)^X*(2*2*2*2*2)^Y
=2^3x*2^5y
=2^(3x+5y)
=2^3
=8

8^x * 32^Y
= 2^(3x) * 2^(5y)
= 2^(3x + 5y)
= 2^3
= 8