皮皮学，免费搜题
登录
搜题
【简答题】
请用LINGO或者Exccel软件求解下列规划问题的解: 1、线性规划问题是否有最优解?(存在最优解填写:是;不存在最优解填写:否) 如果不存在最优解,以下最优值和最优解请填写:无 2、最优值,min Z=?(四舍五入,不保留小数点,如:12.4321,填写12) 3、最优解,x1=?(四舍五入,不保留小数点,如:12.4321,填写12) 4、最优解,x2=?(四舍五入,不保留小数点,如:12.4321,填写12)
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】— Excuse me. What did you say you would like to do, Miss White? — I said I'd better go back to the office. I ______ someone this afternoon. [ ]
A.
would meet
B.
met
C.
am going to meet
D.
was meeting
【简答题】C 阅读下面短文,根据语境、音标或所给单词的提示,在每个空格内填入一个恰当的词 , 要求所填的词意义准确、形式正确,使短文意思完整、行文连贯。 Did you go to see a dentist before? Do you know how to take care — 1 — your teeth? It’s necessary to have — 2 — (health) teeth. ...
【单选题】- Did you go to Jim's birthday party?
A.
o, I_.
B.
am not invited
C.
by the way
D.
in this way
E.
on the way
【单选题】– Did you go to the cinema to see 3D Titanic last night?
A.
o. I ______ go to the cinema. The tickets are too expensive.
B.
hardly
C.
nearly
D.
still
E.
only
【单选题】听力原文：M: Did you take these pictures? They are very good. W: Yes, I think they turned out very well too. I like to bring my camera with me wherever I go. That way if I see something attractive I can sn...
A.
Looking at some photographs.
B.
Selling cameras.
C.
Teaching a photography class.
D.
Repairing camera equipment.
【简答题】倒酒时应先从主人的右方起依次给客人斟酒注意（ ）和（ ）优先。
【单选题】Did you go to Sam’s weekend party?
A.
o, I _____.
B.
am not invited
C.
wasn’t invited
D.
haven’t invited
E.
didn’t invited
相关题目：
参考解析：
知识点：
题目纠错 0
发布
