若实数x、y满足2x+y−2≥0y≤3ax−y−a≤0
若实数x、y满足2x+y−2≥0y≤3ax−y−a≤0
已知实数x,y满足x≥0y≤12x−2y+1≤0.,若目标函数z=ax+y(a≠0)取得最小值时最优解有无数个,则实数a
若实数x,y满足x≥1x+y≤4x−2y+c≤0
若实数x,y满足不等式组2x−y≥0x+y−3≥03x+y−8≤0
已知实数x,y满足2x+y−2≥0x−2y+4≥03x−y−3≤0则x
若实数x,y满足y≥1y≤2x−1x+y≤m.
已知实数x,y满足2x+y−2≥0x−2y+4≥03x−y−3≤0
已知实数x,y满足条件2x+y≥3x+y−3≤0x≥0y≥0
变量x,y满足约束条件x+y≥2,x-y≤2,0≤y≤3,若目标函数z=y-ax仅在点(5,3)处取最小值,则实数a的取
若实数x,y满足{x-y≤0,x+y≥0,y-3≤0},若不等式a(x^2+y^2)≤(x+y)^2恒成立,则实数a的最
(2012•浙江模拟)已知实数x,y满足约束条件2x−y≤0x−3y+5≥0y≥1
若实数x,y满足x−y+1≥0x+y≥0x≤0