高中数学代数与函数一其他练习题111
题目内容

变量 http://picflow.koolearn.com/upload/papers/20140824/20140824040055947432.png满足约束条件 http://picflow.koolearn.com/upload/papers/20140824/201408240400559781041.png,若使 http://picflow.koolearn.com/upload/papers/20140824/20140824040055994528.png取得最大值的最优解有无数个,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824040056072283.png的取值集合是(      )

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824040056088495.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824040056134461.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824040056150440.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824040056166520.png

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