解
原式
=√6(√3-√2)/(√3-√2)(√3+√2)+(√3+√2)√6/(√6×√6)
=(3√2-2√3)/(3-2)+(3√2+2√3)/6
=(3√2-2√3)+(√2/2+√3/3)
=(7√2/2-5√3/3