2倍根号3除以(1/根号6加根号1/根号2)=

问题描述:

2倍根号3除以(1/根号6加根号1/根号2)=

3倍根号6减3倍根号2,没算错的话。。。。

2√3/(1/√6 +1/√2)=2√3/((1+√3)/√6)=2√3*(√6/(1+√3)=2√2/(1+√3)=2√2(1-√3)/(1+√3)(1+√3)
=√2(1-√3)=√2-√6