设一篮子苹果共有x个. (1/2)x+1+1/2[x-(1/2)x]+1+8=x (1/2)x+1+(1/2)x-(1/4)x-1/2+1+8=x (1/2)x+(1/2)x-(1/4)x-x=-8-1+1/2-1 -(1/4)x=-19/2 x=38 答:这篮苹果共有38个.