|1-根号2|+|根号2-根号3l+|根号2-1|

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/30 12:18:06

|1-根号2|+|根号2-根号3l+|根号2-1|

= -(1-根号2)-(根号2-根号3)+根号2-1
= -1+根号2-根号2+根号3+根号2-1
= 根号3+根号2-2

=根号2+根号3-2

根号2+根号3-2