高中数学代数与函数一其他练习题123
题目内容

如图,目标函数 http://picflow.koolearn.com/upload/papers/20140824/20140824004641744532.png的可行域为四边形 http://picflow.koolearn.com/upload/papers/20140824/20140824004641760520.png(含边界),若 http://picflow.koolearn.com/upload/papers/20140824/20140824004641775622.png是该目标函数 http://picflow.koolearn.com/upload/papers/20140824/20140824004641744532.png的最优解,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824004641822283.png的取值范围是 http://picflow.koolearn.com/upload/papers/20140824/201408240046418382949.png

2021-07-20

A.http://picflow.koolearn.com/upload/papers/20140824/20140824004641853858.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824004641869848.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824004641884723.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824004641900708.png

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