1-｜x｜分之x-2=2
x-2=2(1-｜x｜)
x-2=2-2｜x｜
x+2｜x｜=4
当x>0时
有x+2x=4
解出x=4/3
当x
当x取什么值时,分式x-2分之1-x的绝对值：（1）值为2
当x取什么值时,分式x-2分之1-x的绝对值：（1）值为2
应该是1-｜x｜分之x-2
应该是1-｜x｜分之x-2
数学人气：877 ℃时间：2019-08-20 22:44:36
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