x,y 满足x(x-2)-y(y-6)=-10,求x,y的值

x,y 满足x(x-2)-y(y-6)=-10,求x,y的值 变量x,y满足x-2y=0,x 变量x,y满足约束条件,x+y>=3,x-y>=-1,2x-y 设x,y满足约束条件x+y>=1,x-y>=-1,2x-y 设x,y满足约束条件x+y>=1,x-y>=-1,2x-y 设Z=X+Y,其中X,Y满足X+2Y>=0,X-Y 正数x,y满足x-y=2xy,求x-y/x+y的值. 已知x,y满足约束条件 2x+5y>=10 2x-3y>=-6 2x+y 已知x,y满足约束条件{2x+5y>=10,2x-3y>=-6,2x+y 实数x,y满足2x+5y>=0,2x-3y>=-6,2x+y 如果有理数x.y满足x^2+y^2+4x-6y+13=0,则y^x=? 已知实数x,y满足2x+5y>=10;2x-3y>-6;2x+y 已知x,y满足x^2+y^2-6x+8y+25=0,求y^x的值 已知x、y满足：x^2+y^2+6x-10y+34=0,求y-x的值 已知实数x, y满足x²+y²-2x+6y+10=0,求y∧-x. 若x、y满足2x+y=6,x-3y=1,求7y(x-3y)²-2(3y-x)³的值 求f(x,y)=x+y+7的最大值,使(x,y)满足x+2y≤10,2x+y≥6,y≥0 x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2