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/2014-02/12/91682ce5-aa85-417d-969c-e27304f03b49/paper.files/image021.png的定义域为(  )

2021-08-04

A.http://picflow.koolearn.com/upload/2014-02/12/91682ce5-aa85-417d-969c-e27304f03b49/paper.files/image022.png

B.http://picflow.koolearn.com/upload/2014-02/12/91682ce5-aa85-417d-969c-e27304f03b49/paper.files/image023.png

C.http://picflow.koolearn.com/upload/2014-02/12/91682ce5-aa85-417d-969c-e27304f03b49/paper.files/image024.png

D.http://picflow.koolearn.com/upload/2014-02/12/91682ce5-aa85-417d-969c-e27304f03b49/paper.files/image025.png

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