已知变量x,y满足约束条件x+2y-3≤0x+3y-3≥0y-1≤0
已知变量x,y满足约束条件x+2y-3=0,y-1
已知变量x,y满足约束条件x+2y-3≤0x+3y-3≥0y-1≤0
若变量x,y满足约束条件x+y≤2x≥1y≥0
设变量x,y满足约束条件x−y≥0x+y≤1x+2y≥1
设变量X,Y满足约束条件{X-Y+3>=0,X+Y>=0,-2
已知变量x,y满足约束条件 y≤2 x+y≥1 x-y≤1 则z=3x+y的最大值是
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
已知变量x y 满足约束条件x-y+1≥0 x-2≤0 y+2≥0,则目标函数z=x+y的最大值.
设变量x,y满足约束条件x+y≤3x−y≥−1y≥1
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?
已知变量xy满足约束条件1 x+y≤1 2 x+1大于等于0 3 x-y≤1
已知x,y满足约束条件x−y+5≥0x+y≥0x≤3