计算:4根号2分之1减根号8等于
问题描述:
计算:4根号2分之1减根号8等于
答
4√1/2-√8
=2√2-2√2
=0
计算:4根号2分之1减根号8等于
4√1/2-√8
=2√2-2√2
=0