(根号3-1)²-(2根号3)²等于多少? 要过程!九点就要!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 06:33:49
![(根号3-1)²-(2根号3)²等于多少? 要过程!九点就要!](/uploads/image/z/14852750-14-0.jpg?t=%EF%BC%88%E6%A0%B9%E5%8F%B73%EF%BC%8D1%EF%BC%89%26%23178%3B%EF%BC%8D%EF%BC%882%E6%A0%B9%E5%8F%B73%EF%BC%89%26%23178%3B%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F+%E8%A6%81%E8%BF%87%E7%A8%8B%21%E4%B9%9D%E7%82%B9%E5%B0%B1%E8%A6%81%21)
(根号3-1)²-(2根号3)²等于多少? 要过程!九点就要!
(根号3-1)²-(2根号3)²等于多少? 要过程!九点就要!
(根号3-1)²-(2根号3)²等于多少? 要过程!九点就要!
原式=3-2根号3+1-12
=-8-2根号3
(根号3-1)²-(2根号3)²
=3-2√3+1-12
= -8 - 2√3
解原式=3-2根号3 1-12=-2根号3-8