解题方法
1 . 某人用随机模拟的方法估计无理数
的值,做法如下:首先在平面直角坐标系中,过点
作
轴的垂线与曲线
相交于点
,过
作
轴的垂线与
轴相交于点
(如图),然后向矩形
内投入
粒豆子,并统计出这些豆子在曲线
上方的有
粒
,则无理数
的估计值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/3993fea6-f389-410b-ac45-a8ac4a3fc4ee.png?resizew=139)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2eff609c6043c2a89a6dd163fe2244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2eff609c6043c2a89a6dd163fe2244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f60528c219f350a63d837eed9b6d8f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/3993fea6-f389-410b-ac45-a8ac4a3fc4ee.png?resizew=139)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-04-14更新
|
452次组卷
|
2卷引用:辽宁省渤大附中、育明高中2020届高三第五次模拟考试数学(理)试题
2013·辽宁·二模
2 . 函数
与方程
的图象围成的封闭图形的面积为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8953ded144195804384dcb494d5e2a.png)
您最近一年使用:0次