若x^2+xy-2y^2=0那么分式3x^2+xy+6y^2/x^2+y^2的值是多少?
若x^2+xy-2y^2=0那么分式3x^2+xy+6y^2/x^2+y^2的值是多少?
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x+2y=0,xy不等于0,求分式x²+2xy/xy+y²的值
初中数学分式已知x/y=2,求(x*x-xy+3y*y)/x*x+xy+6y*y的值
以知x^2-4xy+4y^2=0,那么分式(X+Y)/(X-Y)的值等于?
若y-x/xy=3,求分式2x+3xy-2y/x-2xy-y
若x分之1+y分之1=2,则分式x-xy+y分之2x+3xy+2y的值是多少
已知1/x+1/y=3,求分式3x-2xy+3y/x+xy+y的值
1/x+1/y=3.求分式3x-2xy+3y/x+xy+y的值
已知,1/x+1/y=5.,求分式3x+xy+3y/x-2xy+y的值
若x+y-5xy=0,求(2x-3xy+2y)/(x+2xy+y)的值