2分之3根号2分之3-3根号6分之1+1.7根号6

问题描述:

2分之3根号2分之3-3根号6分之1+1.7根号6

2分之3根号2分之3-3根号6分之1+1.7根号6
=3/4根号6-1/2根号6+1.7根号6
=1.95根号6