已知x、y满足约束条件X+Y》0且
3个回答
x=3 y=-3 时取得最大值15
相关问题
已知X,Y满足约束条件x-y+5>=0 x+y>=0 X
已知x,y满足约束条件3x-y-6≤0,x-y+2≥0,x≥0,y≥0
已知变量满足约束条件 x+y≥1 x-y≤1 y≤a x≥0
已知x,y满足约束条件x>=1,x-3y
实数x,y满足约束条件.求范围实数x,y满足约束条件x-y+2>=0 x+y-4>0x
已知x,y满足约束条件1
当x,y满足约束条件x>=0,y
已知变量x y满足约束条件〔x+4y-13≥0,2y-x+1≥0,x+y-4≥0〕,且有无数多个点〔
设实数x,y满足约束条件x-y-2=0,y
若变量x,y满足约束条件{y=0,x-y-2