解题方法
1 . 算法是数学及其应用的重要组成部分.巴比伦人很早就发明了用表达式
不断迭代的方法计算
的近似值.即先令
,求出
的值;将求出的值再代入
,求出值,以此类推,就可以很快得到
的近似值.下图是根据此法求
的近似值的程序框图,则输出的
值等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ccfddaf932956f6e62582e89acc638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ccfddaf932956f6e62582e89acc638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ccfddaf932956f6e62582e89acc638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://img.xkw.com/dksih/QBM/2022/4/22/2963684927225856/2964931341352960/STEM/06d79ea8-86d8-4700-8da0-f411f1a5ffb9.png?resizew=264)
您最近一年使用:0次
2 . 算法是数学及其应用的重要组成部分.很早的巴比伦人就发明了用表达式
不断迭代的方法计算
的近似值.即先令
,求出
的值;将求出的值再代入
,求出值,以此类推,就可以很快得到
的近似值.下图是根据此法求
的近似值的程序框图,则输出的
值等于( )
参考数据:
.
![](https://img.xkw.com/dksih/QBM/2021/1/23/2642435271172096/2645371961319424/STEM/b63ae80b38614754afd910ab22bdbf72.png?resizew=270)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c847bf5ec1ab3562249dedcf6bbd82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c847bf5ec1ab3562249dedcf6bbd82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c847bf5ec1ab3562249dedcf6bbd82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1520d93cf0a958d27859aa70a36582.png)
![](https://img.xkw.com/dksih/QBM/2021/1/23/2642435271172096/2645371961319424/STEM/b63ae80b38614754afd910ab22bdbf72.png?resizew=270)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
2021-01-27更新
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66次组卷
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2卷引用:沪教版(2020) 选修第一册 精准辅导 第4章 4.5用迭代数列求√2的近似值