|x-1|=1怎么解,
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|x-1|=1怎么解,
|x-1|=1怎么解,
|x-1|=1怎么解,
x-1=1或者x-1=-1
去绝对值后x-1=+-1解得x=2或x=0
|X-1|=1
X-1=1
x=2
X-1=-1
X=1-1
X=0
|x-1|=1怎么解,
|x-1|=1怎么解,
|x-1|=1怎么解,
x-1=1或者x-1=-1
去绝对值后x-1=+-1解得x=2或x=0
|X-1|=1
X-1=1
x=2
X-1=-1
X=1-1
X=0