已知实数x,y满足x^2+y^2=2,则3x+4y的最小值

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( 已知正实数x,y满足x+2y=2.则y/2x+1/y的最小值是 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x+y>=2,x-y 已知实数x,y满足y=|x-1|若x+2y 已知实数x满足x^2+2xy+y^2-(x+y)-6=0则x+y的值 已知实数x,y满足y=x^2+5x-4,则3x-2y最大值为 已知实数x、y满足x²-2x+y=5,则x+2y的最大值为 已知实数x,y满足x^2+3X+y-3=0,则x+y的最大值为 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满足关系式x^2-x+y=5 则x+y的最大值为