若变量x,y满足约束条件｛y=0,x-y-2

若变量x,y满足约束条件｛y=0,x-y-2 若变量x,y满足约束条件｛y=0,x-y-2 若变量x y满足约束条件{x+y 若变量x,y满足约束条件{x>=-1;y>=x;3x+2y 设变量X,Y满足约束条件{X-Y+3>=0,X+Y>=0,-2 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1 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=0,y-1 变量x,y满足约束条件,x+y>=3,x-y>=-1,2x-y 已知变量x,y满足约束条件｛x+y 已知变量x,y满足约束条件｛x+y 若变量x y 满足约束条件y=1 x+y=0 x-y-2=0 则z=2x-y的最大值是多少 若变量x y满足约束条件x+y≤5 x-y≤-1 x≥0 则z=3x-2y的最小值 若变量x,y满足约束条件(x+y=2,x≥1,y≥0),则z=2x+y的最大值和最小值分别为? 线性规划的一道题已知变量x,y满足约束条件x+y-1=0x-y-1 已知变量x满足约束条件1：x-y+2=1；3:x+y-7 设变量x,y满足约束条件x-y>-1,x+y>1,3x-y