根号72-根号16/根号8-根号32-根号2/根号2

问题描述:

根号72-根号16/根号8-根号32-根号2/根号2

根号72-根号16/根号8-根号32-根号2/根号2
=6根号2-根号2-4根号2-1
=根号2-1