(x+1)^2+4|y-6|=0,求11x+2y的值.
已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值?
x^2+y^2+4x-6y+13=0,求x^y的值
已知:4x^2+y^2-4x-6y+10=0,求y/x-x/y的值
已知x+y=-6求[(x+y)^2-(x-y)^2+2y(y-x)]*1/4y的值
已知X^2-6x+|y+1|=0,求(x+2y)^2(x-2y)^2-(x+2y)(x^2+4y^2)(x+2y)的值
若|x+y-1|+(x-y-2)²=0,求代数式(x+2y)(x-2y)-(2x-y)(-y-2x)的值.
已知X.x+y.y-4x+2y+5=0,求4X.X-12X Y+9Y.y的值
已知x^3+xy^2+x+x^2y+y^3+y=0,求5x-6y/3x+4y的值.
x^2+y^2-4x-6y+13=0,求(2/3根号9x+y^2根号x/y^3)-x^2根号1/x-5x根号y/x)的值
若x^5+x^4y+x^4+x+y+1=0,且3x+2y=1,求x,y的值
求x²+y²-2x+4y+1的最小值 求x,y的值 x²+2xy+4x-12y+22=0
X^2+y^2-2x+6y+10=0,求x+y的值