高中数学代数与函数一函数练习题80
题目内容

函数 http://picflow.koolearn.com/upload/2014-04/21/08abb34c-f775-4c71-80dd-be1f8205b7d8/paper.files/image007.png的定义域是(    )

2021-08-04

A.http://picflow.koolearn.com/upload/2014-04/21/08abb34c-f775-4c71-80dd-be1f8205b7d8/paper.files/image008.png

B.http://picflow.koolearn.com/upload/2014-04/21/08abb34c-f775-4c71-80dd-be1f8205b7d8/paper.files/image009.png

C.http://picflow.koolearn.com/upload/2014-04/21/08abb34c-f775-4c71-80dd-be1f8205b7d8/paper.files/image010.png

D.http://picflow.koolearn.com/upload/2014-04/21/08abb34c-f775-4c71-80dd-be1f8205b7d8/paper.files/image011.png

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