若实数x,y满足y≥1y≤2x−1x+y≤m.
若实数x,y满足y≥1y≤2x−1x+y≤m.
若实数x,y满足x≥1x+y≤4x−2y+c≤0
若实数x,y满足x−y+1≥0x+y≥0x≤0
若实数x,y满足约束条件x-y≥0,x+y≥0,2x+y≤1,则y/(x+1)的最大值是多少,
已知实数x,y满足y≤1y≥|x−1|
若实数x,y满足不等式组x-y+1≥0x+y-1≤0y≥0
若实数x,y满足条件0≤x≤10≤y≤22y−x≥1
若实数x,y满足x-4y+3≤0,3x+5y-25≤0,x≥1,则2x-y的最大值是多少
已知实数x,y满足约束条件x−y≤12x+y≤4x≥1
若实数x,y满足x≤2,y≤2,x+y≥2,则目标函数z=y/x+1的最大值是
若实数x、y满足x−y+1≤0x>0x≤2
已知实数x,y满足{①y≥1,②y≤2x-1,③x+y≤m如果目标函数z=x-y的最小值为-1,则实数m等于?