xy满足关系式x^2+y^2+1/2=x+y求x、y的关系
已知实数x,y满足关系式│x+y-3│+根号(xy-6)=0,求代数式(x+2y)/y-x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
已知实数x、y满足关系式绝对值x+y-7绝对值+根号(xy-6)=0,求代数式(x+2y)/(y-x)的值
若x,y满足x^+2y^-2xy+1=0,求xy的值
正整数x,y满足x2-y2=2xy,求x-y/x+y的值
整数x,y满足x2-y2=2xy,求x-y/x+y的值
1.以知X,Y满足关系式X²+Y²+1/2=X+Y,求出X,Y的关系.
已知x,y为正实数,且满足关系式x^2-2x+4y^2=0,求xy的最大值.令xy=p
正数x,y满足x^2-y^2=2xy,求(x-y)/(x+y)的值
若正数x,y满足x平方-y平方=2xy,求x-y除以x+y的值
若正数x,y满足x²-y²=2xy,求(x-y)/(x+y)的值
正数x、y满足x平方减去y平方=2xy,求(x-y)/(x+y)的值