已知实数X,Y满足Y=√X-2+√2-X+3求yx的平方根.

已知实数x,y满足x²+√2 y=√3,y²+√2 x＝√3,则x/y+y/x=? 已知实数x,y满足x+y+2x-2√3y=0,求：㈠x+y的最大值；㈡x+y的最小值? 已知实数x,y满足√x-2 + （y+1）²=0,则x-y=多少? 已知实数X,Y满足2 已知实数xy满足x+2y 已知实数xy满足 x+y-2 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(x+2)^2+y^2( 求救!已知实数x,y满足下面关系式:y=√x^2-1+√1-x^2/x-1-x+2,求x^y的值 已知实数x,y满足约束条件:x>=2 y>=2 x+y 已知实数x,y满足不等式组：2x-y=0,x+2y 已知实数x,y满足x+y>=2,x-y 已知实数X,Y满足X+Y>=2,X-Y 已知实数x,y满足y=|x-1|,则x+2y的最大值是 已知实数x,y满足x+y>=2,x-y 已知实数x,y满足y=|x-1|若x+2y 已知实数x,y满足x-ay-1>=0,2x+y>=0,x 已知实数x,y满足y=√2x-1+√1-2x +2,求xy的平方根