(2012•湛江二模)运行如图所示框图,坐标满足不等式组x+y−3≥0x−y+2≥0x≤3
(2012•湛江二模)运行如图所示框图,坐标满足不等式组x+y−3≥0x−y+2≥0x≤3
(2014•湛江二模)已知实数x、y满足不等式组x≥0y≥02x+y≤2,且ax+by≤1,(a>0,b>0)恒成立,则
(2012•商丘二模)设实数x,y满足不等式组y+x≤1y−x≤1y≥0
(2013•温州二模)若实数x,y满足不等式组x+2y≥22x+y≤4x−y≥−1,则3|x-1|+y的最大值是( )
如果x,y满足不等式组x≤3x+y≥0x−y+5≥0
若实数x,y满足不等式组2x−y≥0x+y−3≥03x+y−8≤0
(2013•烟台一模)已知实数x,y满足不等式组2x−y≥0x+2y≥03x+y−5≤0,则2x+y的最大值是( )
(2014•闸北区三模)设实数x,y满足不等式组y+x≤1y−x≤1y≥0
满足不等式组2x+y−3≤07x+y−8≤0x,y>0
(2011•绵阳二模)已知x,y满足线性约束条件:x−2y+3≥02x+y−9≤02x+6y−9≥0,若目标函数z=-x
已知实数z、y满足不等式组x−2y+3≥03x+2y−7≤0x+2y−1≥0,则x-y的最小值为( )
如果x,y满足不等式如果x,y满足不等式组x≤3,x+y≥0,x-y+5≥0,请你画出点(x,y)可以在的平面区域