高中数学代数与函数一函数练习题69
题目内容

函数 http://picflow.koolearn.com/upload/2012-07/20/90e49103-7762-4b01-bf86-f729aa87cda0/paper.files/image058.png的单调减区间为   (     )

2021-08-03

A.http://picflow.koolearn.com/upload/2012-07/20/90e49103-7762-4b01-bf86-f729aa87cda0/paper.files/image059.png

B.http://picflow.koolearn.com/upload/2012-07/20/90e49103-7762-4b01-bf86-f729aa87cda0/paper.files/image060.png

C.http://picflow.koolearn.com/upload/2012-07/20/90e49103-7762-4b01-bf86-f729aa87cda0/paper.files/image061.png

D.http://picflow.koolearn.com/upload/2012-07/20/90e49103-7762-4b01-bf86-f729aa87cda0/paper.files/image062.png

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