高中数学代数与函数一其他练习题138
题目内容

http://picflow.koolearn.com/upload/papers/20140823/20140823134758653578.png时,不等式 http://picflow.koolearn.com/upload/papers/20140823/20140823134758669702.png恒成立,则 http://picflow.koolearn.com/upload/papers/20140823/20140823134758685346.png的取值范围为(  )

2021-07-21

A.http://picflow.koolearn.com/upload/papers/20140823/20140823134758700554.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823134758716521.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823134758731574.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823134758794536.png

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