题目是不是该这样当x<1/2时,|x+|2x-1||/(x-1)的值是多少?原式=|x+1-2x|÷(x-1) =(1-x)÷(x-1) =-1
原式=|x+1-2x|÷(x-1) =(1-x)÷(x-1) =-1
-1