（1）(4x-1)÷3-(x-2)÷6=(4+x)÷2 2(4x-1)-(x-2)=3(4+x)8x-2-x+2=12+3x4x=12x=3（2）x/3-x/5=4 5x-3x=602x=60x=30(3)(y+2)÷4-(y-3)÷5=105(y+2)-4(y-3)=2005y+10-4y+12=200y=178