高中数学代数与函数一其他练习题90
题目内容

下列结论不正确的是

2021-07-16

A.若y=3,则y′=0

B.若http://picflow.koolearn.com/upload/papers/g02/20120413/201204130934084561035.gif,则http://picflow.koolearn.com/upload/papers/g02/20120413/201204130934085031112.gif

C.若http://picflow.koolearn.com/upload/papers/g02/20120413/201204130934085301006.gif,则http://picflow.koolearn.com/upload/papers/g02/20120413/201204130934085591117.gif

D.若y=3x,则http://picflow.koolearn.com/upload/papers/g02/20120413/201204130934085911052.gif

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