2乘根号2减3乘根号3加(4乘根号3减5乘根号2)等于多少?急..

问题描述:

2乘根号2减3乘根号3加(4乘根号3减5乘根号2)等于多少?急..

2根号2-3根号3+(4根号3-5根号2)=2根号2-5根号2-3根号3+4根号3=根号3-3根号2.