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若函数 http://picflow.koolearn.com/upload/papers/20140823/20140823231006396430.png是定义在R上的偶函数,在 http://picflow.koolearn.com/upload/papers/20140823/20140823231006412444.png上是减函数,且 http://picflow.koolearn.com/upload/papers/20140823/20140823231006443578.png,则使得 http://picflow.koolearn.com/upload/papers/20140823/20140823231006474479.png的x的取值范围是(    )

发布时间:2021-07-20

A.http://picflow.koolearn.com/upload/papers/20140823/20140823231006490545.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823231006521548.png

C.(-2,2)

D.http://picflow.koolearn.com/upload/papers/20140823/20140823231006537657.png

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