高中数学代数与函数一函数练习题62
题目内容

下列函数中既是偶函数又是 http://picflow.koolearn.com/upload/2015-01/19/156ebe6e-3547-4231-b5b4-bfc1a8c2befb/paper.files/image022.png( )

2021-08-03

A.http://picflow.koolearn.com/upload/2015-01/19/156ebe6e-3547-4231-b5b4-bfc1a8c2befb/paper.files/image023.png

B.http://picflow.koolearn.com/upload/2015-01/19/156ebe6e-3547-4231-b5b4-bfc1a8c2befb/paper.files/image024.png

C.http://picflow.koolearn.com/upload/2015-01/19/156ebe6e-3547-4231-b5b4-bfc1a8c2befb/paper.files/image025.png

D.http://picflow.koolearn.com/upload/2015-01/19/156ebe6e-3547-4231-b5b4-bfc1a8c2befb/paper.files/image026.png

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