(2010•宿州三模)设不等式组x−y+5≥0x+y≥a0≤x≤2
(2010•宿州三模)设不等式组x−y+5≥0x+y≥a0≤x≤2
若不等式组x−y+5≥0y≥a0≤x≤2
(2014•闸北区三模)设实数x,y满足不等式组y+x≤1y−x≤1y≥0
(2010•宿州三模)已知点P(x,y)的坐标x,y满足3x−y≤0x−3y+2≥0y≥0,则x2+y2-4x的取值范围
(2012•商丘二模)设实数x,y满足不等式组y+x≤1y−x≤1y≥0
(2014•邯郸一模)设不等式组x+y≤πx−y≥0y≥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)集合A={x||x+1|≤2,x∈Z},B={y|y=x3,-1≤x≤1},则A∩B=( )
(2010•宿州三模)给出下列说法:①函数y=x
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3y-x≥0,y+2x+a≥0,y-2x-2≤0,若x²+y²的最小值为5,