实数x,y满足不等式组{y>=0
若实数x,y满足不等式组x>=0 ,y>=0,x+2y
已知实数x,y满足不等式组:2x-y=0,x+2y
若实数x,y满足不等式组x-y+1≥0x+y-1≤0y≥0
设实数x,y满足不等式组y+x≤1y-x≤1y≥0
不等式:设实数x,y满足3
若实数x,y满足不等式组2x+y≤4x≥0y≥0
设实数x、y满足不等式组x+2y-5>02x+y-7>0x≥0,y≥0,若x、y为整数,则3x+4y的最小值是( )
若实数X,Y满足不等式组y≤2,x-y≥0,x-2y≤0.则z=x+y的最大值为
实数xy满足不等式组y>=0,x-y>=0,2x-y-2>=0则k=(y-1)/x+1的取值范围
已知实数x,y满足不等式组Y≤X,X+Y≤2,Y≥0,那么目标函数Z=+3Y的最大值是?
设Z=x+y,其中实数x,y满足不等式x+2y>=0,x-y
若实数xy满足不等式组x-2y≥0,x+y-3≥0,x-y-3≤0,则2x-y的最小值为?