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)
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解题方法
2 . 执行如图所示的程序框图,如果输入x,t的值均为2,最后输出S的值为n,在区间
上随机选取一个数D,则
的概率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8227859e27c69082c5d85d4a6960eec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e495cb7d4de962eeaa46331489c59db7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/21/00f416e4-eb28-47c2-a2f8-735265e49e64.png?resizew=147)
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20-21高二上·全国·课后作业
3 . 如果执行下面的框图,输入
,则输出的数等于( )
![](https://img.xkw.com/dksih/QBM/2021/7/30/2775286904471552/2829783317905408/STEM/f4934a59-d544-42ed-bbdb-f6ecd8309bfd.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc133d5b11b33a904875182d8c8261.png)
![](https://img.xkw.com/dksih/QBM/2021/7/30/2775286904471552/2829783317905408/STEM/f4934a59-d544-42ed-bbdb-f6ecd8309bfd.png?resizew=172)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 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 |
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2021-01-27更新
|
66次组卷
|
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
5 . 如图的程序框图的功能是计算数列
前
项和的最大值
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/21/b7c07e2a-1124-40b2-b31a-bb70dfed06f7.png?resizew=91)
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解题方法
6 . 执行如图所示的程序框图,则输出
的值为( )
![](https://img.xkw.com/dksih/QBM/2020/7/24/2512810497671168/2513524440498176/STEM/391904f0-04a1-40f3-b8fa-bf3ade0395e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/2020/7/24/2512810497671168/2513524440498176/STEM/391904f0-04a1-40f3-b8fa-bf3ade0395e2.png)
A.22 | B.62 | C.132 | D.240 |
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解题方法
7 . 根据图所示的程序框图,则输出的结果a为( )
![](https://img.xkw.com/dksih/QBM/2021/1/13/2635432958615552/2636809512468480/STEM/d602479d-11eb-43ba-a268-b731d8aae1cd.png)
![](https://img.xkw.com/dksih/QBM/2021/1/13/2635432958615552/2636809512468480/STEM/d602479d-11eb-43ba-a268-b731d8aae1cd.png)
A.119 | B.120 | C.121 | D.122 |
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2021-01-15更新
|
103次组卷
|
2卷引用:新疆维吾尔自治区2017-2018学年高二1月普通高中数学学业水平考试试题卷
名校
解题方法
8 . 根据如图所示的伪代码,可知输出的结果为________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/61b109b8-31e7-4604-9f11-d699c2df7782.png?resizew=108)
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2020-03-29更新
|
120次组卷
|
9卷引用:江苏省宿迁市2017-2018学年高二上学期期末考试数学试题1
9 . 画出程序框图,使之能求得
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb28c37e89357b89ba88bb8642ba4402.png)
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10 .
的值的一个流程图,其中判断框内应填入的条件是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e05aaa52de5aa08b9c80c09de03db5d6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/2a8aa232-4a7e-438e-be82-7a28006e6140.png?resizew=142)
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