【简答题】“If I had one million yuan, I would buy you a palace! Do I have one million yuan? No, I don’t! so I only can spend ten fen(分) on this short message, sending you my best wishes! ” Today, SMS—Short Mess...
【简答题】If I had one million Yuan, I would buy you a house! Do I have one million Yuan? No, I don't.So I only can spend ten fens on this short message, sending you my best wishes! Today SMS---Short Message S...
【单选题】下面是某线性规划问题的最优单纯型表,X 1 的单位利润变化范围为a,利润为b,下列哪个选项符合要求 ( )。 c j 9 8 50 19 0 0 b c b x b X 1 X 2 X 3 X 4 X 5 X 6 19 X 4 2 4/3 0 1 2/3 -10/3 2 50 X 3 -1/2 -1/3 1 0 -1/6 4/3 1 σ -4 -2/3 0 0 -13/3 -10/3 ...