计算:(1/3+根号2 +1/3-根号2)²÷根号6

问题描述:

计算:(1/3+根号2 +1/3-根号2)²÷根号6

4/9根号6
=(1/3+根号2+1/3-根号2)²÷根号6
=(2/3)²÷根号6
=4/9*根号6
=4/9根号6