分式计算,(xy-x²)÷(x-y)/(xy)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 20:56:07
分式计算,(xy-x²)÷(x-y)/(xy)
分式计算,(xy-x²)÷(x-y)/(xy)
分式计算,(xy-x²)÷(x-y)/(xy)
(xy-x²)÷(x-y)/(xy)
=x(y-x) ÷ (x-y)/xy
=x(y-x) * xy/(x-y)
=-x²y
分式计算,(xy-x²)÷(x-y)/(xy)
分式计算,(xy-x²)÷(x-y)/(xy)
分式计算,(xy-x²)÷(x-y)/(xy)
(xy-x²)÷(x-y)/(xy)
=x(y-x) ÷ (x-y)/xy
=x(y-x) * xy/(x-y)
=-x²y