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/2014-10/29/60cefb95-4e03-40e5-9087-eae7085122d3/paper.files/image009.png的定义域是(   )

2021-08-04

A.http://picflow.koolearn.com/upload/2014-10/29/60cefb95-4e03-40e5-9087-eae7085122d3/paper.files/image010.png

B.http://picflow.koolearn.com/upload/2014-10/29/60cefb95-4e03-40e5-9087-eae7085122d3/paper.files/image011.png

C.http://picflow.koolearn.com/upload/2014-10/29/60cefb95-4e03-40e5-9087-eae7085122d3/paper.files/image012.png

D.http://picflow.koolearn.com/upload/2014-10/29/60cefb95-4e03-40e5-9087-eae7085122d3/paper.files/image013.png

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