若x+y-2x-6y+10=0,则分式x-y／x-2xy+y的值为

若x^2+y^2-6x-2y+10=0,则分式 若x²+y²+6x-2y+10=0 则分式x-2y/x³-4x²y+4xy²的值 若x+y-2x-6y+10=0,则分式x-y／x-2xy+y的值为 已知x^2-2x+y^2+6y+10=0,求分式x-y/x+y的值 若x-y不等于0,2x-3y=0,则分式(10x-11y)/(x-y)的值是（）?(10x-11y)/(x-y) =[(8x-8y)+(2x-3y)]/(x-y) =8为什么8X-8Y=8？(10x-11y)/(x-y)=[(8x-8y)+(2x-3y)]/(x-y)=8+(2x-3y)]/(x-y)=8+0=8 若X方+Y方+6X-2y+10=0,则分式X三次方-4X方Y+4XY方 若x-y不等于0,2x-3y=0,则分式(10x-11y)/(x-y)的值是（）? 若分式x-y/2x-y =-1.则x与y的关系是 一道初二下学期的数学题x*x+y*y-2x-6y+10=0,求分式[(x+y)(x-y)]/xy的值 2/x-y + 6/x+y = 11/10 分式方程组 4/x-y - 6/x+y =1/10 已知x^2+y^2-6x-8y+25=0,求分式y/x - x/y的值 若y-2x=0,则分式(x^2+xy+y^2)/(x^2-xy+2y^2)= x²+y²-2x-6y+10=0 求分式x²-y²/xy 若（x-4y）(x+3y)=0 且xy＞0 则分式x+3y/2x-y的值为 若x+y/x-y=6,把x,y的值都扩大二倍,则分式的值为 ；若xy/x-y=6 ,把x,y的值都扩大2倍,则分式的值为 . 若x^2+y^2-2x-6y+10=0,求分式x^2-y^2/xy的值 若2x-5y=0,则分式4x^2+5y^2分之4x^2-6xy+5y^2的值为 若x的平方+y的平方-2x-6y+10=0,求分式x的平方-y的平方/xy的值.