已知xy满足约束条件y=2 2X+y
已知xy满足约束条件y=2 2X+y
已知变量xy满足约束条件x+2y-3
已知xy满足约束条件y
已知变量xy满足约束条件x-y≥1 x+y≥1 2x-y≤4 则z=y/x的最大值为
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
xy满足约束条件x-ay-1>=0,2x+y>=0,x-1/2
xy满足约束条件x-ay-1>=0,2x+y>=0,x
已知变量x,y满足约束条件x+2y-3=0,y-1
设xy满足约束条件 x+y>=1 x-2y>=-2 3x-2y
设x,y满足约束条件x+y≤1y≤xy≥−2
已知x,y满足约束条件{2x+5y>=10,2x-3y>=-6,2x+y