根据条件:a,b,c满足
,且
,有如下推理:①
②
③
④
其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1fee06cc1bf96fc80df8f4de15d93f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/412047c27e7d60e1849e3ee3b31cc229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4165cd26730d8f1a5a4505b7c3531f5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0f7fcf84f4d524752c02dea2f15934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39592dcbac48c2b13c93d18028527f51.png)
A.①② | B.③④ | C.①③ | D.②④ |
2023高三·全国·专题练习 查看更多[2]
更新时间:2023-12-10 19:04:11
|
【知识点】 由已知条件判断所给不等式是否正确解读
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【推荐2】若
,且
,则下列不等式中,恒成立的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83eb829e3338a9e4be598124855685e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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