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
答
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