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【单选题】
找出下列线性规划问题的对偶问题: s.t. max Z=CX AX≤b X≥0A.
s.t. min F=CY AY≤b Y≥0
B.
s.t. min F=bY AY≥ C Y≥0
C.
s.t. min F=Yb YA≥C Y≥0
D.
s.t. min F=bY YA≥C Y≥0
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反馈参考答案：
举一反三
【单选题】Drivers on the Basingstoke by-pass used to have their attention diverted by a sign that read-A MOMENT'S INATTENTION CAUSES ACCIDENTS. This self-defeating warning has now been removed but its message i...
A.
it is not tree
B.
it will distract the driver's attention
C.
it is too difficult to understand
D.
it is too long to be read while driving a car
【简答题】计算机存储器是分级设计的。 主存储器 的功能主要是存放当前运行程序及执行程序所需要的资料;( ) 存储器是 程序运行暂不需要的资料可长期保存。
【单选题】Drivers on the Basing stoke by-pass used to have their attention diverted by a sign that read A MOMENT'S INATFENTION CAUSES ACCIDENTS. This self-defeating warning has now been removed but its message ...
A.
it is not true
B.
it will distract the driver's attention
C.
it is too difficult to understand
D.
it is too long to be read while driving a car
【单选题】Match the right sentence to the sign.
A.
Look out for animals on the road.
B.
Traffic lights ahead
C.
No cycling on this road.
D.
Be careful ! There are road works ahead so there might be traffic delays.
【简答题】短语:在...的控制下,在...手掌中
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