下列等式从左到右的变形,属于因式分解的是 A.a(x-y)=ax-ay B.x2 发布时间:2017-06-02 23:56 │ 来源:www.tikuol.com 题型:选择题 问题: 下列等式从左到右的变形,属于因式分解的是A.a(x-y)=ax-ayB.x2+2x+1=x(x+2)+1C.(x+1)(x+3)=x2+4x+3D.x3-x=x(x+1)(x-1)
题型:选择题 Imperfect goods are ________ by our quality control center in case they come into the consuming of the customers.[ ]A.rejected B.acceptedC.realized D.followed 查看答案