化简2-根号3分之1-(2乘以根号3+2)

2025-04-18 19:40:48
推荐回答(1个)
回答1:

[1-(2√3+2)]/(2-√3)
=-(1+2√3)/(2-√3)
=-(1+2√3)(2+√3)/[(2-√3)(2+√3)]
=-(2+√3+4√3+6)/1
=-8-5√3