解:0≤x≤1√x∧2+(x-1)的绝对值=x+x-1..............(√x∧2,(x-1)的绝灶握对值为非负数,0≤x≤1,所散枯以√x∧2=x,隐掘庆(x-1)的绝对值=x-1)=2x-1
答案: 2X-1