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

(1)(√2分之3)^2
= 9/2
(2)(3√5)^2
= 3^2 * 5
= 45