高中数学代数与函数一函数练习题59
题目内容

http://picflow.koolearn.com/upload/2014-10/14/8de6b850-7ff6-4d80-8846-3c5d8850896d/paper.files/image026.pnghttp://picflow.koolearn.com/upload/2014-10/14/8de6b850-7ff6-4d80-8846-3c5d8850896d/paper.files/image027.png)的最大值为(    )

2021-08-03

A.9

B.http://picflow.koolearn.com/upload/2014-10/14/8de6b850-7ff6-4d80-8846-3c5d8850896d/paper.files/image028.png

C.http://picflow.koolearn.com/upload/2014-10/14/8de6b850-7ff6-4d80-8846-3c5d8850896d/paper.files/image029.png

D.http://picflow.koolearn.com/upload/2014-10/14/8de6b850-7ff6-4d80-8846-3c5d8850896d/paper.files/image030.png

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