若
成立,则下列不等式成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2019-09-09 10:21:54
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单选题
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容易
(0.94)
【推荐1】已知
,有下列不等式:(1)
(2)
(3)
(4)
其中一定成立的有几个?( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edfc82516396a5e0e6fb74eb07a91299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11a282e9a8a0cb47c1eed80f04d60fb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4170b01b9d92ceed605abb2657ebe27f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eef30a1357d8d8b6a2de0cd4e960e9.png)
A.1 | B.2 | C.3 | D.4 |
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