(2-根号3)(2+根号3)等于多少?
问题描述:
(2-根号3)(2+根号3)等于多少?
答
(2-√3)(2+√3)
=4-3=1
(2-根号3)(2+根号3)等于多少?
(2-√3)(2+√3)
=4-3=1