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设f http://picflow.koolearn.com/upload/papers/20140823/20140823231000671195.png(x)=∣x-1∣,f http://picflow.koolearn.com/upload/papers/20140823/20140823231000702705.png,函数g(x)是这样定义的:当f http://picflow.koolearn.com/upload/papers/20140823/20140823231000718582.png时,g(x)= f http://picflow.koolearn.com/upload/papers/20140823/20140823231000671195.png(x),当f http://picflow.koolearn.com/upload/papers/20140823/20140823231000671195.png(x)<f http://picflow.koolearn.com/upload/papers/20140823/20140823231000796432.png时,g(x)= f http://picflow.koolearn.com/upload/papers/20140823/20140823231000796432.png,若方程g(x)=a有四个不同的实数解,则实数a的取值范围是(    )

发布时间:2021-08-04

A.a<4

B.0

C.0

D.3

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