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/2010-07/09/4d87cfcf-cf03-41c4-a423-3f6dbc5610a3/paper.files/image023.gif的定义域为

2021-08-03

A.http://picflow.koolearn.com/upload/2010-07/09/4d87cfcf-cf03-41c4-a423-3f6dbc5610a3/paper.files/image024.gif(k∈Z)

B.http://picflow.koolearn.com/upload/2010-07/09/4d87cfcf-cf03-41c4-a423-3f6dbc5610a3/paper.files/image025.gif(k∈Z)

C.http://picflow.koolearn.com/upload/2010-07/09/4d87cfcf-cf03-41c4-a423-3f6dbc5610a3/paper.files/image026.gif(k∈Z)

D.http://picflow.koolearn.com/upload/2010-07/09/4d87cfcf-cf03-41c4-a423-3f6dbc5610a3/paper.files/image027.gif(k∈Z)

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