名校
解题方法
1 . 如图在直角坐标系
中,过原点
作曲线
的切线,切点为
,过点
分别作
、
轴的垂线,垂足分别为
、
,在矩形
中随机选取一点,则它在阴影部分的概率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/00eeb92f-8001-4100-bd13-00f19022bf6f.png?resizew=179)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/310003639599e4bea7873854b13694ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e902eb263971b466d0fcd91c56b453.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/00eeb92f-8001-4100-bd13-00f19022bf6f.png?resizew=179)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-08更新
|
492次组卷
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2卷引用:2019届山东省德州市高三第二次练习数学(理)试题
2 . 如图,边长为2的正方形有一内切圆
向正方形内随机投入1000粒芝麻,假定这些芝麻全部落入该正方形中,发现有795粒芝麻落入圆内,则用随机模拟的方法得到圆周率
的近似值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/fa861c66-3a65-437a-a22e-e7e4eec6e01d.png?resizew=94)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/fa861c66-3a65-437a-a22e-e7e4eec6e01d.png?resizew=94)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-03-27更新
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689次组卷
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2卷引用:【市级联考】山东省德州市2018-2019学年高一上学期期末考试数学试题
名校
3 . 如图,圆M、圆N、圆P彼此相外切,且内切于正三角形ABC中,在正三角形ABC内随机取一点,则此点取自三角形MNP(阴影部分)的概率是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/7eb54cb0-e1ca-4178-9aa9-b442b8dfccf0.png?resizew=168)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/7eb54cb0-e1ca-4178-9aa9-b442b8dfccf0.png?resizew=168)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-01-25更新
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537次组卷
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4卷引用:山东省德州市跃华中学2018届高三下学期模拟理科数学试题
名校
4 . 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:【市级联考】山东省德州市2019届高三期末联考数学(理科)试题
5 . 设
,其正态分布密度曲线如图所示,那么向正方形ABCD中随机投掷100000个点,则落入阴影部分的点的个数的估计值是
注:若
,则
,
.
![](https://img.xkw.com/dksih/QBM/2019/5/6/2197818688995328/2197885259833344/STEM/7c00480c43ca47c48738633bd2b0b60d.png?resizew=228)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd366b2a2c6bd8c3bc0499e88e8e5372.png)
注:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9195ad1874bf963034f756d9b3cbf3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb74b23ca2942f68161a803104822b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec4e09ce01a07639a3622eff4f58e857.png)
![](https://img.xkw.com/dksih/QBM/2019/5/6/2197818688995328/2197885259833344/STEM/7c00480c43ca47c48738633bd2b0b60d.png?resizew=228)
A.60380 | B.65870 | C.70280 | D.75390 |
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2018-12-17更新
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3卷引用:【市级联考】山东省德州市2018届高考数学(理科)一模试题
【市级联考】山东省德州市2018届高考数学(理科)一模试题(已下线)2019年5月9日 《每日一题》理数选修2-3-由正态分布的特殊区间求概率江西省南昌市湾里一中等六校2020-2021学年高二下学期期末联考数学(理)试题
6 .
如图所示的阴影部分是由
轴及曲线
围成,在矩形区域
内随机取一点,则该点取自阴影部分的概率是
![](https://img.xkw.com/dksih/QBM/2018/3/3/1894139712364544/1896530959073280/STEM/8eed9c73a76647f8a64857955b2045f1.png?resizew=82)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://img.xkw.com/dksih/QBM/2018/3/3/1894139712364544/1896530959073280/STEM/8eed9c73a76647f8a64857955b2045f1.png?resizew=82)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-03-06更新
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277次组卷
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4卷引用:山东省德州市2018届高三上学期期末考试数学(理)试题
7 . 如图,矩形
中,点
的坐标为
,点
的坐标为
.直线
的方程为
,四边形
为正方形.若在五边形
内随机取一点,则该点取自三角形
(阴影部分)的概率为
![](https://img.xkw.com/dksih/QBM/2019/6/17/2227582917238784/2227652663812096/STEM/cd62b677212e4567a5113c09127e1a5c.png?resizew=138)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcbcd0aebdd8bd688d108834747009f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35e851cb9d8382bd3803651f3f367c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac66de8543430fd51e7c18042e626dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2bf7463e33ac907a72ffc3c1d712f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://img.xkw.com/dksih/QBM/2019/6/17/2227582917238784/2227652663812096/STEM/cd62b677212e4567a5113c09127e1a5c.png?resizew=138)
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2018-02-08更新
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2卷引用:山东省德州市2018届高三上学期期末考试数学(文)试题
14-15高三上·山东德州·阶段练习
名校
解题方法
8 . 在区间
和
内分别取一个数,记为
和
,则方程
表示离心率小于
的双曲线的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc7bc07dde43da45e75bb38793257f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e1b4a9ba703bb43187aafbcb697d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864500188c0085b4dc1dfe4baabc331b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
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2016-12-02更新
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3卷引用:2014届山东省德州市高三上学期1月月考考试理科数学试卷
14-15高三上·山东德州·期末
解题方法
9 . 如图,设D是边长为l的正方形区域,E是D内函数
与
所构成(阴影部分)的区域,在D中任取一点,则该点在E中的概率是( )
![](https://img.xkw.com/dksih/QBM/2014/2/20/1571514849804288/1571514854998016/STEM/c582ff62-03b5-434e-a427-c8498e58b167.png?resizew=205)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef469c7b7cb9945b984222381b9c000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://img.xkw.com/dksih/QBM/2014/2/20/1571514849804288/1571514854998016/STEM/c582ff62-03b5-434e-a427-c8498e58b167.png?resizew=205)
A.![]() | B.![]() | C.![]() | D.![]() |
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