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1 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 已知变量xy满足约束条件x+2y-3 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 若变量x y满足约束条件{x+y 已知变量x满足约束条件1：x-y+2=1；3:x+y-7 已知变量x,y满足约束条件（x-y+2=1 设变量x,y满足约束条件x-y>-1,x+y>1,3x-y 变量x,y满足约束条件,x+y>=3,x-y>=-1,2x-y 已知x,y满足约束条件1 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 高中数学题（有关线性规划）：已知变量x、y满足约束条件【x-y+2=1.x+y-7 已知实数x,y满足约束条件x+y>3,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