已知实数x,y满足y=|x-1|若x+2y
已知正实数x,y满足x+2y=4,则1x+1y
已知实数x,y满足(x+y)^2=1,(x-y)^2=25,求x,y的值
已知实数x,y满足x²+y²-xy+2x-y+1=0 求x y
若实数x,y满足{2x-y>=0,
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满足方程x*x+y*y-4x+1=0.求y-x的最大值
已知实数x,y满足下面关系式:y=x
已知实数x,y满足 2x+y-2>=0,x-2y+k>=0,x-1
若实数x,y满足x-y+1>=0,x+y>=0,x
若实数x,y满足x-y+1》=0,x+y>=0,x
已知实数X,Y满足2