高中数学代数与函数一其他练习题110
题目内容

已知 http://picflow.koolearn.com/upload/papers/20140824/20140824020058547403.png满足约束条件 http://picflow.koolearn.com/upload/papers/20140824/20140824020058563891.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824020058578567.png的最大值是(   )

2021-07-19

A.-5

B.http://picflow.koolearn.com/upload/papers/20140824/20140824020058594339.png

C.3

D.5

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