(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
1
答
(2-根号3)(2+根号3)
=2²-(根号3)²
=4-3
=1
答
(2-√3)(2+√3)
=4-3=1