不等式应用:设x,y满足约束条件3x-y-6≤0,x-y+2≥0,x≥0,y≥0,
设变量x,y满足约束条件x−y≥0x+y≤1x+2y≥1
设变量xy满足约束条件x-y≥0,x+y-2≥0,3x-y-6≤0则目标函数z=2x-y
设x、y满足约束条件{x≥0 y≥x 4x+3y≤12}则2y+3/x+1的取值范围是?
设x y 满足约束条件 x≤0 x≤y 2x-y+1≥0 则z=3x+2y的最大值
设变量x,y满足约束条件 {x-y≥0,x+y≤1,x+2y≥0},则函数Z=2x+y 的最大值?
若变量x,y满足约束条件x+y≤2x≥1y≥0
.若x、y满足约束条件 x - y +1≥0
设变量X,Y满足约束条件{X-Y+3>=0,X+Y>=0,-2
设实数xy满足线性约束条件x+y≤3 x-y≥1 y≥0
设x,y满足约束条件x>=0 y>=x 4x+3y
设x,y满足约束条件x>=0 x>=y 2x-y
设x,y满足约束条件x−y+2≥05x−y−10≤0x≥0y≥0