等于根号3-根号2+2-根号3+1-根号2 等于3-2根号2
=√3-√2+2-√3-√2+1=3-2√2谢谢采纳
答案:3+2根号2
|根号3-根号2|+|根号蚂裂行3-2|-|根源衡号2-1|=根号3-根闷哗号2+2-根号3-根号2+1=3-2倍根号2