(2012•金华模拟)设实数x,y满足不等式组x−y−1≥02x−y−6≤0x+y+6≥0
(2012•商丘二模)设实数x,y满足不等式组y+x≤1y−x≤1y≥0
(2014•闸北区三模)设实数x,y满足不等式组y+x≤1y−x≤1y≥0
(2012•安徽模拟)已知实数x,y满足x−2y+2≥0y≥|x|
(2012•安徽模拟)实数对(x,y)满足不等式组x−y−2≤0,x+2y−5≥0,y−2≤0,若目标函数z=kx-y在
(2012•浙江模拟)已知实数x,y满足约束条件2x−y≤0x−3y+5≥0y≥1
(2012•浙江模拟)若实数x,y满足不等式组x−2y+5≥03−x≥0x+y≥0,则z=x+2y的最小值是( )
设实数x,y满足不等式组y+x≤1y-x≤1y≥0
已知实数x、y满足不等式组3x+8y+15≥05x+3y−6≤02x−5y+10≥0,那么Z=x-y的最大值等于( )
(2012•黄州区模拟)设实数x,y满足约束条件2x−y+2≥08x−y−4≤0x≥0,y≥0
若实数x,y满足不等式组x+3y−3≥02x−y−3≤0x−my+1≥0
若实数x,y满足不等式组2x−y≥0x+y−3≥03x+y−8≤0
若实数x、y满足不等式组x+y≥22x−y≤4x−y≥0