若实数X,Y满足X√1-X=√Y-2+√X-1,求(3X^2+XY-Y^2)/(X^2-XY+Y^2)的值
若实数X,Y满足X√1-X=√Y-2+√X-1,求(3X^2+XY-Y^2)/(X^2-XY+Y^2)的值
已知实数x,y满足y=√2x-1+√1-2x +2,求xy的平方根
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?
已知实数x,y满足x^2+√2y=√3,y^2+√2x=√3,求x+y和xy的值
若x.y都是实数,且满足y=根号x-4 + 根号4-x + 1 ,求3(-xy+2x)-2(3x-y)的值
已知实数x y满足x×x+y×y-xy+2x-y+1=0 试求x y的值
若正实数x,y满足2x+y+6=xy,求xy的最小值.
若x,y满足x^+2y^-2xy+1=0,求xy的值
已知实数x,y满足x²+y²-xy+2x-y+1=0 求x y
已知实数x,y满足(x2)+(y2)-xy+2x-y+1=0,求x,y的值
已知实数x、y满足X2+y2-xy+2x-y+1=0,试求x、y的值
已知实数x,y满足关系式| x+y-7 |+√(xy-6)=6,求(x+2y)÷(y-x)的值