已知x,y 满足约束条件y>=2|x|,x+y-1

已知x,y满足约束条件：x-y+1>=0,x+y-2>=0,x 已知x,y 满足约束条件y>=2|x|,x+y-1 已知xy满足约束条件y=2 2X+y 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 若变量x,y满足约束条件{x>=-1;y>=x;3x+2y 已知x,y满足约束条件{2x+5y>=10,2x-3y>=-6,2x+y 已知x,y满足约束条件x-y+5>=0 x+y>=0 X 设X,Y满足约束条件X+Y 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 已知实数x,y满足约束条件y≤x,x+y≤1,y≥-1,则z=2x+y的最大值是多少? 已知变量x,y满足约束条件｛x+y