根号3÷(1/根号3+1/根号2)
=根号3÷(1/3根号3+1/2根号2)
= 6根号3÷(2根号3+3根号2)
=6根号3*(2根号3-3根号2)/(12-18)
=-根号3*(2根号3-3根号2)
=3根号6-6