根号(1-根号3)的平方-根号24*根号1/2+1/(2-根号3)
√(1-√3)^2-√24*√(1/2)+1/(2-√3)
=√3-1-√12+(2+√3)/(2-√3)(2+√3)
=√3-1-2√3+2+√3
=2-1
=1