1 . 如图所示,在平面直角坐标系xOy中,点
为阴影区域内动点(不包括边界),这里
,
,则下列不等式恒成立的是( )
![](https://img.xkw.com/dksih/QBM/2020/4/8/2437303097745408/2437679580905472/STEM/9db6490352fe455c8861007decb7fddb.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca538a6d20cb578bd6d23ad843d7c32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f048c817bdff8e1fa87f0082555c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2818c4e77b62596e6c777993a8a9776f.png)
![](https://img.xkw.com/dksih/QBM/2020/4/8/2437303097745408/2437679580905472/STEM/9db6490352fe455c8861007decb7fddb.png?resizew=162)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-21更新
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2卷引用:山西省2019-2020学年高三下学期3月适应性调研数学(文)试题