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