二次根式:(1)(√2分之3)^2= (2)(3√5)^2
问题描述:
二次根式:(1)(√2分之3)^2= (2)(3√5)^2
答
(1)(√2分之3)^2
= 9/2
(2)(3√5)^2
= 3^2 * 5
= 45