(1)3x-2x<5x<5(2)x-6>2x-x>6x<-6(3)2分之x>3分之x6分之x>0x>0(4)x-2分之1(4x-1)≤2 2x-4x+1≤2 -2x≤1x≥-0.5(5)2分之1-3x>1-2x1-3x>2-4xx>1