1 . 记集合
,构成的平面区域分别为M,N,现随机地向M中抛一粒豆子(大小忽略不计),则该豆子落入N中的概率为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c555172e225c787de2c94bb7d4a74989.png)
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2016-05-05更新
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414次组卷
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3卷引用:2016届宁夏石嘴山三中高三下四模理科数学试卷
2012·宁夏银川·一模
2 . .已知不等式组
表示的平面区域
的面积为
,点
,则
的最大值为_________ .
![](https://img.xkw.com/dksih/QBM/2015/9/25/1572243757826048/1572243763601408/STEM/3e9126b94767431eb220c063846bfe9a.png?resizew=56)
![](https://img.xkw.com/dksih/QBM/2015/9/25/1572243757826048/1572243763601408/STEM/6c1c7afb599e4797aa5d7530fc25ce8b.png?resizew=15)
![](https://img.xkw.com/dksih/QBM/2015/9/25/1572243757826048/1572243763601408/STEM/51d8c3e31c6a4c1194940e8bbd044f85.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2015/9/25/1572243757826048/1572243763601408/STEM/34c20424a9e64f24931c8bbf9ac0cb39.png?resizew=76)
![](https://img.xkw.com/dksih/QBM/2015/9/25/1572243757826048/1572243763601408/STEM/ed342bfbbef7452981ed81a70648f1f7.png?resizew=71)
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