x+y=xy x=0,y=0...x=2,y=2...还要一组能满足x+y=xy的...
x+y=xy x=0,y=0...x=2,y=2...还要一组能满足x+y=xy的...
若x,y满足x^+2y^-2xy+1=0,求xy的值
已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值?
正整数x,y满足x2-y2=2xy,求x-y/x+y的值
若正实数x.y满足x+y=xy,则x+2y的最小值
整数x,y满足x2-y2=2xy,求x-y/x+y的值
x>1,y>0,且满足xy=x^y,x/y=x^3y,求x+y
若正实数x,y满足2x+y+6=xy,求xy的最小值.
正数xy满足x2-y2=2xy,求x+y分之x-y的值
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