若3x+2y-3=0,求27的x次方乘9的y次方的值?次方全用(次方xxx)来写过程也写清楚点!
问题描述:
若3x+2y-3=0,求27的x次方乘9的y次方的值?
次方全用(次方xxx)来写
过程也写清楚点!
答
27的x次方乘以9的y次方
=3^3x *3^2y
=3^(3x+2y)
=3^3
=27
答
27