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函数y= http://picflow.koolearn.com/upload/2010-11/05/835b573f-af1c-414d-ba2d-00a48f086010/paper.files/image022.gif的定义域是(    )

发布时间:2021-08-03

A.-2http://picflow.koolearn.com/upload/2010-11/05/835b573f-af1c-414d-ba2d-00a48f086010/paper.files/image023.gif

B.-2http://picflow.koolearn.com/upload/2010-11/05/835b573f-af1c-414d-ba2d-00a48f086010/paper.files/image024.gif

C.x>2

D.xhttp://picflow.koolearn.com/upload/2010-11/05/835b573f-af1c-414d-ba2d-00a48f086010/paper.files/image025.gif

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