(3x+1)/2-2=(3x-2)/10-(2x+3)/53x+(x-1)/2=3-(2x-1)/34x/40+[8(x+2)]/40=1(5x-1)/4=(3x+1)/余裤2-(2-x)/3(3x+2)/竖扒简此圆2-1=(2x-1)/4-(2x+1)/5
7/3-5/6X=4/3-5/6
题呢
