高中数学代数与函数一函数练习题74
题目内容

函数 http://picflow.koolearn.com/upload/2010-06/19/d587fd96-923d-4a75-8126-b7a35f67972e/paper.files/image027.gif的定义域是(   )

2021-08-03

A.http://picflow.koolearn.com/upload/2010-06/19/d587fd96-923d-4a75-8126-b7a35f67972e/paper.files/image028.gif

B.http://picflow.koolearn.com/upload/2010-06/19/d587fd96-923d-4a75-8126-b7a35f67972e/paper.files/image029.gif

C.http://picflow.koolearn.com/upload/2010-06/19/d587fd96-923d-4a75-8126-b7a35f67972e/paper.files/image030.gif

D.http://picflow.koolearn.com/upload/2010-06/19/d587fd96-923d-4a75-8126-b7a35f67972e/paper.files/image031.gif

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