高中数学代数与函数一函数练习题86
题目内容

函数y=http://picflow.koolearn.com/upload/papers/g02/20110830/20110830143954703874.gif-2sinx的图象是

2021-08-04

A.http://picflow.koolearn.com/upload/papers/g02/20110830/201108301439547181654.gif

B.http://picflow.koolearn.com/upload/papers/g02/20110830/201108301439547501517.gif

C.http://picflow.koolearn.com/upload/papers/g02/20110830/201108301439547651630.gif

D.http://picflow.koolearn.com/upload/papers/g02/20110830/201108301439547651669.gif

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