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1 . 如图,正方形的四个顶点
,及抛物线
和
,若将一个质点随机投入正方形
中,则质点落在图中阴影区域的概率是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/f1f3e61a-6cf9-4841-884f-01debc7c66de.png?resizew=165)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6d693c825806c213cce5fa7f55e5e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e0774f520aeb13600bf159a0fd4413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d72c36149bd2a42b7e05714cb3803e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/f1f3e61a-6cf9-4841-884f-01debc7c66de.png?resizew=165)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-01-19更新
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911次组卷
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5卷引用:2020届河南省名师联盟高三入学调研考试数学(理)试题