如题所述
.....我要10个..
x-2/21-7-x/3=1120x/80(42-x)=2/12x-12/3=27-x/24x/2-3=3/45x-3/2=6/1+3/442y+1=33-2y/25y+11=11/3-345-1/3+x/4=5/6+2/3x-2/2006+x/2008+x+2/4010=6