(3√2+2√3)^2等于多少,

问题描述:

(3√2+2√3)^2等于多少,

(3√2 +2√3)^2
=(3√2)^2 +(2√3)^2 +2*3√2 *2√3
=18 +12 +12√6
=30 +12√6