根号27-(2-根号3)分之1-根号12

2024-12-17 08:19:18
推荐回答(2个)
回答1:

回答2:


√27-1/(2-√3)-√12
=3√3-(2+√3)/(2-√3)(2+√3)-2√3
=3√3-(2+√3)/(4-3)-2√3
=3√3-2-√3-2√3
=-2