执行如图所示的程序框图,若输出
的值为7,则框图中①处可以填入( )
![](https://img.xkw.com/dksih/QBM/2022/1/23/2900763474755584/2917943085940736/STEM/e86bdaa2-534c-4c7d-aaf6-7114797aac49.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://img.xkw.com/dksih/QBM/2022/1/23/2900763474755584/2917943085940736/STEM/e86bdaa2-534c-4c7d-aaf6-7114797aac49.png?resizew=145)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-02-17 23:13:50
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解题方法
【推荐1】若执行如图的程序框图,则输出的s值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/f0a1b0d6-25b8-4dd5-946d-2d61d7b6b618.png?resizew=166)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/f0a1b0d6-25b8-4dd5-946d-2d61d7b6b618.png?resizew=166)
A.2 | B.4 | C.6 | D.8 |
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【推荐2】数学猜想是推动数学理论发展的强大动力.
年德国汉堡大学的学生考拉兹提出一个猜想:对于每一个正整数,如果它是奇数,对它乘
再加
;如果它是偶数,对它除以
.这样循环,最终结果都能得到
.如图是根据考拉兹猜想设计的一个程序框图,则输出的
为( )
![](https://img.xkw.com/dksih/QBM/2019/5/7/2198402802696192/2198645736005632/STEM/139a358ec25245b694e4fe0a75faba35.png?resizew=215)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced37ea59fc3fac813dbca0ad8f5415d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://img.xkw.com/dksih/QBM/2019/5/7/2198402802696192/2198645736005632/STEM/139a358ec25245b694e4fe0a75faba35.png?resizew=215)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】执行如图所示的程序框图,若输出的
的值为
,则输入的正整数
的所有可能取值的个数为
![](https://img.xkw.com/dksih/QBM/2017/4/21/1670743950147584/1672745369108480/STEM/9878da34191b4c348ab3e9d7897d58d7.png?resizew=79)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9281871be8fe40a32ba07f6fcc499131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2017/4/21/1670743950147584/1672745369108480/STEM/9878da34191b4c348ab3e9d7897d58d7.png?resizew=79)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】在如图所示的框图中,若输出
,那么判断框中应填入的关于
的判断条件是
![](https://img.xkw.com/dksih/QBM/2019/6/25/2233099170242560/2233132106489856/STEM/ca0c3ca9129f42138aebfbfc2de32a6b.png?resizew=395)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd08ea81c6db2ca24f3af86d4809991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/2019/6/25/2233099170242560/2233132106489856/STEM/ca0c3ca9129f42138aebfbfc2de32a6b.png?resizew=395)
A.![]() | B.![]() | C.![]() | D.![]() |
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