名校
1 . 设函数
,
.
(1)解不等式
;
(2)对于实数
,若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd65345dec765bd06d1d9e7e8900a67e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54856c5b520d9851388ea9618d93128.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe1eabda07e76bfa611ec07bf8f27909.png)
(2)对于实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f39ad35c04ec62f70e4b57ea41ea35ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf49ac6ace1acd6cc1f7ff14611634a0.png)
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2018-02-01更新
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333次组卷
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3卷引用:黑龙江省鸡西实验中学2020-2021学年高中教师命题大赛数学试题