|1-根号2|+|根号2-根号3l+|根号2-1|

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/21 20:47:25
|1-根号2|+|根号2-根号3l+|根号2-1||1-根号2|+|根号2-根号3l+|根号2-1||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3l+|根号2-1|
|1-根号2|+|根号2-根号3l+|根号2-1|

|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