高中数学代数与函数一其他练习题119
题目内容

设变量 http://picflow.koolearn.com/upload/papers/20140823/20140823154506700187.gif, http://picflow.koolearn.com/upload/papers/20140823/20140823154506715199.gif满足约束条件 http://picflow.koolearn.com/upload/papers/20140823/20140823154506731776.gif则目标函数 http://picflow.koolearn.com/upload/papers/20140823/20140823154506746394.gif的最大值为(  )

2021-07-19

A.4

B.1

C.12

D.14 http://picflow.koolearn.com/upload/papers/20140823/20140823154506762332.jpg

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