(根号18-根号12+根号2)*2根号6

问题描述:

(根号18-根号12+根号2)*2根号6

﹙√18-√12+√2﹚×2√6
=﹙3√2-2√3+√2﹚×2√6
=﹙4√2-2√3﹚×2√6
=16√3-12√2.