|x-1|-1=0的解法,
问题描述:
|x-1|-1=0的解法,
答
|x-1|-1=0
|x-1|=1
x-1=1或x-1=-1
x=2或x=0
|x-1|-1=0的解法,
|x-1|-1=0
|x-1|=1
x-1=1或x-1=-1
x=2或x=0