1/2(3y-1)-1/5y<y+1急!
问题描述:
1/2(3y-1)-1/5y<y+1急!
答
1/2(3y-1)-1/5y<y+1
1.5y-0.5-0.2y
1/2(3y-1)-1/5y<y+1急!
1/2(3y-1)-1/5y<y+1
1.5y-0.5-0.2y