计算|1-根号2|-|根号2-根号3|+|根号3-1|

问题描述:

计算|1-根号2|-|根号2-根号3|+|根号3-1|

|1-根号2|-|根号2-根号3|+|根号3-1|
=√2-1-(√3-√2)+(√3-1)
=√2-1-√3+√2+√3-1
=2√2-2