根号下(二分之三减去根号二)等于几

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/04 12:53:15

根号下(二分之三减去根号二)等于几

√(3/2-√2)
=√(1-√2+1/2)
=√(1-1/2√2)²
=1-1/2√2

√(3/2-√2)
=√(3-2√2)/2
=√(√2-1)²/2
=(√2-1)/√2
=1-1/2√2