高中数学代数与函数一函数练习题78
题目内容

关于狄利克雷函数 http://picflow.koolearn.com/upload/2013-01/24/fff5080c-2ab6-4683-a8e0-acbd7c49ebd9/paper.files/image062.png的叙述错误的是(     )

2021-08-04

A.http://picflow.koolearn.com/upload/2013-01/24/fff5080c-2ab6-4683-a8e0-acbd7c49ebd9/paper.files/image063.png的值域是http://picflow.koolearn.com/upload/2013-01/24/fff5080c-2ab6-4683-a8e0-acbd7c49ebd9/paper.files/image064.png

B.http://picflow.koolearn.com/upload/2013-01/24/fff5080c-2ab6-4683-a8e0-acbd7c49ebd9/paper.files/image063.png是偶函数

C.http://picflow.koolearn.com/upload/2013-01/24/fff5080c-2ab6-4683-a8e0-acbd7c49ebd9/paper.files/image063.png是奇函数

D.http://picflow.koolearn.com/upload/2013-01/24/fff5080c-2ab6-4683-a8e0-acbd7c49ebd9/paper.files/image063.png的定义域是http://picflow.koolearn.com/upload/2013-01/24/fff5080c-2ab6-4683-a8e0-acbd7c49ebd9/paper.files/image065.png

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