高中数学代数与函数一函数练习题62
题目内容

函数 http://picflow.koolearn.com/upload/2015-01/12/b8ff4679-761b-48bd-b8de-7d4e89ef2f44/paper.files/image031.pnghttp://picflow.koolearn.com/upload/2015-01/12/b8ff4679-761b-48bd-b8de-7d4e89ef2f44/paper.files/image032.png上是单调递减函数的必要不充分条件是(    )

2021-08-03

A.http://picflow.koolearn.com/upload/2015-01/12/b8ff4679-761b-48bd-b8de-7d4e89ef2f44/paper.files/image033.png

B.http://picflow.koolearn.com/upload/2015-01/12/b8ff4679-761b-48bd-b8de-7d4e89ef2f44/paper.files/image034.png

C.http://picflow.koolearn.com/upload/2015-01/12/b8ff4679-761b-48bd-b8de-7d4e89ef2f44/paper.files/image035.png

D.http://picflow.koolearn.com/upload/2015-01/12/b8ff4679-761b-48bd-b8de-7d4e89ef2f44/paper.files/image036.png

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