y^2-2y+1分之xy-x-y+1(化简)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 10:10:05
y^2-2y+1分之xy-x-y+1(化简)y^2-2y+1分之xy-x-y+1(化简)y^2-2y+1分之xy-x-y+1(化简)原式=[x(y-1)-(y-1)]/(y-1)^2=(x-1)(y-

y^2-2y+1分之xy-x-y+1(化简)
y^2-2y+1分之xy-x-y+1(化简)

y^2-2y+1分之xy-x-y+1(化简)
原式=
[x(y-1)-(y-1)]/(y-1)^2
=(x-1)(y-1)/(y-1)^2
=(x-1)/(y-1)

=(x-1)(y-1) 除以(y-1)^2=(x-1)/(y-1)

=(x-1)(y-1)/(y-1)^2=(x-1)/(y-1)