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解题方法
1 . 实数x、y满足
,则
的最大值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fcfa4b1879c919f0416673f4fa5225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75407f5349719aba26f58213459793eb.png)
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2 . 在
的可行域内任取一点
,则满足
的概率是__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ccbffe111487812298d21ccb5a22fcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dfc1df5693b1b747b0c8edb55079e8e.png)
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3 . 设实数
满足约束条件![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0410b6963320104a94afc53e1ca7cdfb.png)
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0410b6963320104a94afc53e1ca7cdfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5a41f62c8e84d0fa16ea07a13d0257.png)
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4 . 已知
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9715d3e6f435c17863475b86b1da568c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa95fd470475d1de3e48cde481323bbe.png)
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5 . 设不等式组
表示的平面区域为
,平面区域
与
关于直线
对称,对于任意的
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00896dcb2cc91ab8b7da1517e3ea1f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df2ae3a092acc4ed595dea31ea66bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42b6abf0d716fc2c59e1ea2476286ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df2ae3a092acc4ed595dea31ea66bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f281814a940820e52ec332185871e22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c35d0e589d0fbca2c716f6e91825cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b94034e6e76501712823a333ec909d9.png)
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2017-05-25更新
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403次组卷
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3卷引用:重庆市第八中学2017届高三高考适应性月考(七)数学(理)试题