(根号54-根号27)/根号3+8根号2分之1
问题描述：
(根号54-根号27)/根号3+8根号2分之1
答
=√(54/3)-√(27/3)+8√2/2
=√18-3+4√2
=3√2-3+4√2
=7√2-3
答
原式=√(54/3)-√(27/3)+8√2/2
=√18-3+4√2
=3√2-3+4√2
=7√2-3