如果x/x-y=a,则分式2x^2y-2xy^2/3x^2y
如果x/x-y=a,则分式2x^2y-2xy^2/3x^2y
若(y-x)/xy=3,求分式(2x+3xy-2y)/(x-2xy-y)的值
已知x-y/xy=3,求分式2x+3xy-2y/x-2xy-y的值.
若y-x/xy=3,求分式2x+3xy-2y/x-2xy-y
如果分式3x-6y/x+y=0,那么x,y 应满足 A、x=2y B、x≠-y C、x=2y且x≠-y D、x=2y且y
化简分式方程:x*x-xy-y*y/x*x-3x-6y+2xy
初中数学分式已知x/y=2,求(x*x-xy+3y*y)/x*x+xy+6y*y的值
已知2x-3y=0,求分式x^2+xy-y^2/2x^2+xy-y^2
若实数x,y满足1/x-1/y=5,则分式3x-2xy-3y/x+xy-y的值等于?
已知1/x-1/y=3,求分式(2x+3xy-2y)/(x-2xy-y)
若X/1-y/1=3 求分式:x-2xy-y/2x+3xy-2y
已知1/x+1/y=3,求分式3x-2xy+3y/x+xy+y的值