(2014•邯郸一模)设不等式组x+y≤πx−y≥0y≥0
(2014•邯郸一模)设不等式组x+y≤πx−y≥0y≥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•商丘二模)设实数x,y满足不等式组y+x≤1y−x≤1y≥0
设实数x,y满足不等式组y+x≤1y-x≤1y≥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( )
(2010•宿州三模)设不等式组x−y+5≥0x+y≥a0≤x≤2
设不等式组x+y−2≥0x−3y+6≥0x−y≤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( )
画出不等式组x+y-6≥0 x-y≥0 y≤3 x
如果x,y满足不等式组x≤3x+y≥0x−y+5≥0
设不等式组 X>0 Y>0 Y
不等式组x−y+6≥0x+y≥0x≤3