若x,y满足y=根号2x-3+根号3-2x+6,求xy的平方根?

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 若有理数x,y满足x+3y+根号3y=15+2倍根号3,且x>y,求根号下2x+y 已知实数x,y满足下x^2+根号2y=根号3,y^2+根号2x=根号3,求x/y+y/x 若a满足根号3x+5-a-2+根号2x+3y-a=根号x+y-89×根号89-x-y,求a的值 +先化简:根号2x*根号（x/y）*{根号（y/x）/根号（1/y）}再求值.其中实数x,y满足:先化简:根号2x*根号（x/y）*{根号（y/x）/根号（1/y）}再求值.其中实数x,y满足:y=根号（x-3）+根号（6-2x）+2 (根号x+根号y-1)(1-根号y+根号x),其中x=3根号2, 代数式求值.已知x=2,y=根号3,求 (根号x-根号y)/(根号x+根号y)+(根号x+根号y)/(根号x-根号y)已知x=2,y=根号3,求 (根号x-根号y)/(根号x+根号y)+(根号x+根号y)/(根号x-根号y) 若有理数x,y,z满足根号x+根号(y-1)+根号(z-2)=(x+y+z)/2,则(x-yz)^3的值为 若x,y满足下面关系式：根号x-y+根号y-x+3=y-2,求3x-2y算术平方根 若x,y满足y=根号2x-3+根号3-2x+6,求xy的平方根? 若y=2根号x-3+根号3-x+6,则根号x+y= 根号X(根号X+根号Y)=3根号Y(根号X+5根号Y),求(X+根号XY-Y)分之(2X+根号XY+3Y)的值根号X(根号X+根号Y)=3根号Y(根号X+5根号Y),求(X+根号XY-Y)分之(2X+根号XY+3Y)的值 若m满足关系式若m满足关系式 根号(3x+5y-2-m)+根号（2x+3y-m)=根号(x+y-1)·根号(1-x-y),求m的值 化简:((根号x-根号y)^3+2x根号x+y根号y)/(x根号x+y根号y)+(3根号xy-3y)/(x-y) 已知y=根号1-x+根号x-1+3,求根号x+根号y分之x+2根号xy+y+根号x-根号y分之一的值 1.已知实数x,y满足x=(根号y-3 )+(根号3-y)+2,求x的y次方的值.2.若根号x+根号-x有意义,则x1.已知实数x,y满足x=(根号y-3 )+(根号3-y)+2,求x的y次方的值.2.若根号x+根号-x有意义,则x应满足（ ）.3.已知|2008-a|+ 1.已知实数x,y满足x=(根号y-3 )+(根号3-y)+2,求x的y次方的值.2.若根号x+根号-x有意义,则x1.已知实数x,y满足x=(根号y-3 )+(根号3-y)+2,求x的y次方的值.2.若根号x+根号-x有意义,则x应满足（ ）.3.已知|2008-a|+ 已知根号x=根号2-1/根号2,根号y=根号3-1/根号3,求代数式【(x+y)/(根号x-根号y)】-求代数式【(x+y)/(根号x-根号y)】-2xy/（x根号y-y根号x）已知根号x=根号2-（1/根号2）,根号y=根号3-（1/根号3）,求代数