(x/x+y-x/y-x-2xy/x.x-y.y)/(1/x-1/y) 分式化简
化简分式方程:x*x-xy-y*y/x*x-3x-6y+2xy
1、x(x-y)(x+y)-x(x+y)^2
xy-1+x-y
化简分式y-1/x分之x-1/y
把分式xy-y/x-2x+1约分
(1)(x^2/x)-y-x-y
1、(-7x^y)(2x^y-3xy^3+xy) 2、((x-y)^6)/((y-x)^3)/(x-y)
已知1/x-1/y=2001,求分式x-xy-y/x-y的值
一些分式的混合运算莪做完了,.1 ( x/x+y + 2y/x+y ) × (xy/x+2y) ÷ (1/x+1/y)2
分式的运算﹙x/x-y﹣2y/x-y﹚÷﹙x-2y/xy﹚×﹙1/x﹣1/y﹚
分式的运算(x/(x-y)-2y/(x-y))*xy/(x-2y)/((1/x)+(1/y))具体看图片
(x+y-2xy)(x+y-2)+(1-xy)²