已知实数x、y满足{2x+y-2>=0,x-2y+4>=0,3x-y-3

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-ay-1>=0,2x+y>=0,x 已知实数x, y满足x²+y²-2x+6y+10=0,求y∧-x. 已知实数x,y满足x²+y²-xy+2x-y+1=0 求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{x=>0,y 已知实数x,y满足{x=>0,y 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 2x+y-2>=0,x-2y+k>=0,x-1 已知实数x满足x^2+2xy+y^2-(x+y)-6=0则x+y的值