已知实数x.y满足{√x-2y-3}+{3x+2y-5}2=0 求x-4y的平方根

已知实数x,y满足约束条件x+y>3,y 已知实数x,y满足x-y 已知实数X,Y满足{|x+y| 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+2)^2+y^2( 已知实数x,y满足：y 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2/x-y+3/+√3x-y-1＝0,求实数x,y的值 已知实数x,y,满足x-√x-1=√y+3-y,则x+y最大值是? 已知实数x,y满足2x+5y>=10;2x-3y>-6;2x+y 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满足根号(x+y-8)+根号(8-x-y)=根号(3x-y-4)+根号(x-2y+7),求x,y 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√2x+y+y^2-y+1/4=0,求x+y的值拜托各位了 3Q 已知实数x,y满足x^2+√2y=√3,y^2+√2x=√3,求x+y和xy的值