已知实数x,y,满足[x-√(x^2-2008)]*[y-√(y^2-2008)]=2008,则3x^2-2x^2+3x
已知实数x,y满足(x-根号x^2-2008)(y-根号y^2-2008)=2008 ,则3x^2-2y^2+3x-3y
已知实数x,y满足x=√(9-x+2y)+√(3x-6y-27)+5,则-2x-y的立方根为
已知实数x,y满足x²-x+y=2,则3x-y的最小值为_______.
已知实数x.y满足根号(x+y-8)+根号(8-x-y)=根号(3x-y-4)+根号(x-2y+7),求x,y
实数x,y满足[x-根号(x平方-2008)][y-根号(y平方-2008)]=2008,则3x平方-2y平方+3x-3
已知实数x,y满足x²+y²+2x+2√3y=0.求x²+y²的最大值.②求x+
1已知实数x y满足x^2+y^2+2x-2√3y=0 求
已知实数x、y满足条件x*+y*-4x+2y+5=0,求(9x+3y)的2008次幂
已知实数x,y 满足x2+y2+2x-2√3y=0求:
已知正实数x,y满足x+2y=4,则1x+1y
已知实数x,y满足 y=√x^2-4+√4-x^2分之x-2 +3 ,求9x+8y的值.
已知实数x,y满足x^2+√2y=√3,y^2+√2x=√3,求x+y和xy的值