高中数学代数与函数一函数练习题62
题目内容

给定函数:① http://picflow.koolearn.com/upload/2015-02/04/faa6b3c5-3942-4b31-b970-aafa04cd97f8/paper.files/image050.png, ② http://picflow.koolearn.com/upload/2015-02/04/faa6b3c5-3942-4b31-b970-aafa04cd97f8/paper.files/image051.png, ③ http://picflow.koolearn.com/upload/2015-02/04/faa6b3c5-3942-4b31-b970-aafa04cd97f8/paper.files/image052.png, ④ http://picflow.koolearn.com/upload/2015-02/04/faa6b3c5-3942-4b31-b970-aafa04cd97f8/paper.files/image053.png,其中在区间(0,1)上单调递减的函数序号是(    )

2021-08-03

A.①③

B.②③

C.①④

D.②④

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