1 . 如图所示的算法框图.
![](https://img.xkw.com/dksih/QBM/2022/3/30/2947359260147712/2953072313655296/STEM/08a3da99-bf4f-4c54-b6ab-22cd0d7f1285.png?resizew=112)
(1)写出此算法框图的功能;
(2)根据框图分别利用For语句和Do Loop语句写出算法程序.
![](https://img.xkw.com/dksih/QBM/2022/3/30/2947359260147712/2953072313655296/STEM/08a3da99-bf4f-4c54-b6ab-22cd0d7f1285.png?resizew=112)
(1)写出此算法框图的功能;
(2)根据框图分别利用For语句和Do Loop语句写出算法程序.
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2 . 设计一个求解一元二次方程
的算法,并画出程序框图表示.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fa32c1e926f40a0722d106563777ef.png)
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3 . 用二分法求方程
在
上的近似解,精确到
,写出算法,画出程序框图,并写出程序.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a319a767f0d111b4c831e34d4585656f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc4a01a78dafe32b4d55994ab0ff326.png)
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解题方法
4 . 执行如图所示的程序框图.
![](https://img.xkw.com/dksih/QBM/2021/5/25/2728773615927296/2800684048613376/STEM/89c2b0e4-0940-4bbb-8b6b-6ecb2aa93f50.png?resizew=292)
(1)若输入
,求所有输出的
的值;
(2)若该程序输出的所有
都相等,求输入的
的值.
![](https://img.xkw.com/dksih/QBM/2021/5/25/2728773615927296/2800684048613376/STEM/89c2b0e4-0940-4bbb-8b6b-6ecb2aa93f50.png?resizew=292)
(1)若输入
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e098f570aa05604734433c1f72b8f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
(2)若该程序输出的所有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
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解题方法
5 . 已知数列
的各项均为正数,执行如图所示的程序框图,若
,
时,分别有
和
.
![](https://img.xkw.com/dksih/QBM/2021/3/24/2684599746191360/2684692626907136/STEM/2b4624a4-05f7-40e2-b0cb-33580ebe0b3f.png?resizew=323)
(1)求
,
的值及数列
的通项公式;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbd5bb726a08c308b48373afebbb768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4071dc776c61b5631fb8f49ab01ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a8a480e765bb241cce986273f04fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fff8dd17a62cdf97aa403a1c5ed36f.png)
![](https://img.xkw.com/dksih/QBM/2021/3/24/2684599746191360/2684692626907136/STEM/2b4624a4-05f7-40e2-b0cb-33580ebe0b3f.png?resizew=323)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a16dee634805adc11f5d2d05b0aa341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71536fb74746ba499843500e8a46f5e4.png)
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6 . 已知如图的程序框图如图所示.
![](https://img.xkw.com/dksih/QBM/2021/2/25/2665748184727552/2666253568163840/STEM/1c590b4e-0fa7-4919-99f9-54ebb94ad154.png?resizew=144)
(1)写出程序框图所对应的算法语句;
(2)将右边的“直到型循环结构”改为“当型循环结构”,并写出当型循环相对应的算法语句.
![](https://img.xkw.com/dksih/QBM/2021/2/25/2665748184727552/2666253568163840/STEM/1c590b4e-0fa7-4919-99f9-54ebb94ad154.png?resizew=144)
(1)写出程序框图所对应的算法语句;
(2)将右边的“直到型循环结构”改为“当型循环结构”,并写出当型循环相对应的算法语句.
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2021-02-26更新
|
118次组卷
|
3卷引用:贵州省贵阳市清镇养正学校2020-2021学年高二上学期第一次月考数学(文)试题
贵州省贵阳市清镇养正学校2020-2021学年高二上学期第一次月考数学(文)试题贵州省贵阳市清镇养正学校2020-2021学年高二上学期第一次月考数学(理)试题(已下线)第一章 算法初步(基础过关)-2020-2021学年高一数学单元测试定心卷(人教版必修3)
7 . 已知数列
的各项均为正数,观察程序框图,若
,
时,分别有
和
.
![](https://img.xkw.com/dksih/QBM/2020/12/2/2605689882820608/2609904065650688/STEM/631ec5a9-f82e-477f-a859-90dc4ea474cf.png)
(1)试求数列
的通项公式;
(2)令
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2018ba25d52eff0254d75c6d8a78b85f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9888405fe5cf2a9cb5e827ffc2067b.png)
![](https://img.xkw.com/dksih/QBM/2020/12/2/2605689882820608/2609904065650688/STEM/631ec5a9-f82e-477f-a859-90dc4ea474cf.png)
(1)试求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ab8828768bf006a2cdb5d8ebd2d6cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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解题方法
8 . 阅读下边的程序框图,运行相应的程序,则求输出
的值为多少.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/fcbade8e-85c5-4188-88ca-bfe6971107a1.png?resizew=114)
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9 . 某市高三数学抽样考试中,对90分以上(含90分)的成绩进行统计,画出频率分布直方图如图(1)所示,已知130~140分数段的人数为90,90~100分数段的人数为
,求图(2)表示的运算的表达式.
![](https://img.xkw.com/dksih/QBM/2020/8/12/2526506094632960/2540324818788353/STEM/973385d9-fd1c-4da3-9ace-ac3c074f59aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://img.xkw.com/dksih/QBM/2020/8/12/2526506094632960/2540324818788353/STEM/973385d9-fd1c-4da3-9ace-ac3c074f59aa.png)
![](https://img.xkw.com/dksih/QBM/2020/8/12/2526506094632960/2540324818788353/STEM/33d0abc5-62a9-4d44-8350-742668134d0e.png)
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2020-09-01更新
|
209次组卷
|
2卷引用:江西省抚州市崇仁第二中学2021-2022学年高二上学期第一次月考数学(理)试题
10 . 已知辗转相除法的算法步骤如下:
第一步:给定两个正整数
,
;
第二步:计算
除以
所得的余数
;
第三步:
,
;
第四步:若
,则
,
的最大公约数等于
;否则,返回第二步.
请根据上述算法画出程序框图.
第一步:给定两个正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
第二步:计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
第三步:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a4480988244a9d04ec293975db2cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3fa828b0be9445ff46333f31e38c2f9.png)
第四步:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0116e1383a146ef6406d514764e87666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
请根据上述算法画出程序框图.
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