丨根号6-2丨+丨根号2-1丨-丨3-根号6丨

问题描述:

丨根号6-2丨+丨根号2-1丨-丨3-根号6丨

丨根号6-2丨+丨根号2-1丨-丨3-根号6丨
=根号6-2+根号2-1-3+根号6
=2根号6+根号2-6