数学分式计算若x^2+xy-2y^2=0,则(x^2+3xy+3y^2)/(x^2+y^2)=( )
数学分式计算若x^2+xy-2y^2=0,则(x^2+3xy+3y^2)/(x^2+y^2)=( )
若(y-x)/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
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x-y/xy=3,求分式2x+3xy-2y/x-2xy-y的值.
已知2x-3y=0,求分式x^2+xy-y^2/2x^2+xy-y^2
若X/1-y/1=3 求分式:x-2xy-y/2x+3xy-2y
初二下数学分式计算3y/2x+2y+2xy/x²+xy
初二数学分式化简已知x-3y=0(xy不等于0),求【(2x+y)/(x²-2xy+y²)】*(x-
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?
代数分式 一道题若x÷y=2,则分式(x²-xy+3y²)÷(x²+xy+6y²
已知1/x-1/y=3,求分式(2x+3xy-2y)/(x-2xy-y)