根号3分之根号8×根号6-(根号3-1)的平方-根号3分之1
=√8/√3×√6-(√3-1)²-1/√3
=√8×√2-(3-2√3+1)-√3/3
=√16-4+2√3-√3/3
=2√3-√3/3
=5√3/3