3/(根号6-根号3)怎么算?
问题描述:
3/(根号6-根号3)怎么算?
答
=3×(根号6+根号3)/(根号6-根号3)×(根号6+根号3)
=3×(根号6+根号3)/(6-3)
=(根号6+根号3)