计算|根号2-根号3|+|根号3-2|+|2-根号5|

问题描述:

计算|根号2-根号3|+|根号3-2|+|2-根号5|

|根号2-根号3|+|根号3-2|+|2-根号5|
=√3-√2+2-√3+√5-2
=√5-√2