解题方法
1 . 秤漏是一种特殊类型的漏刻,是用中国秤称量流入受水壶中水的重量来进行计时的仪器.它是北魏道士李兰于
世纪发明的.它有一只供水壶,通过一根虹吸管(即古代的渴乌)将水引到一只受水壶(称为权器)中.权器悬挂在秤杆的一端,秤杆的另一端则挂有平衡锤.当流入权器中的水为一升时,重量为一斤,时间为一刻(一斤水对应一“古刻”,相当于
分钟).其基本思想是以供水壶流出的水的重量作为计时标准,以秤杆作为显时系统.如图所示的程序框图为该秤漏的一个计时过程,若输出的
值为
,则判断框中应填入( )
![](https://img.xkw.com/dksih/QBM/2021/9/25/2815785968902144/2816192178700288/STEM/28191e96-a046-49d4-808e-7eaf7570acea.png?resizew=279)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4700087782991cfc035b4db50d0aaaba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6620729a37129c16cfd61cd59500bfe1.png)
![](https://img.xkw.com/dksih/QBM/2021/9/25/2815785968902144/2816192178700288/STEM/28191e96-a046-49d4-808e-7eaf7570acea.png?resizew=279)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 执行如图所示的程序框图,则输出的
为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/1c8d5b60-0764-40ad-b50a-e30aa999b1ab.png?resizew=113)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/1c8d5b60-0764-40ad-b50a-e30aa999b1ab.png?resizew=113)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
3 . 执行如图所示的程序框图(图中
且
),当输入
时,输出
,若要输出
则应输入![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f3fa679bb55ded25a9b72a8e788cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ca660cb1f7d3cc4949adf6f3189178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/800c445c-850b-4836-8df6-2321f821a726.png?resizew=169)
您最近一年使用:0次
2021-09-04更新
|
121次组卷
|
3卷引用:河南省商丘市郑州市部分学校2020-2021学年高一年级阶段性测试(四)数学试题
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 . 闰年(LeapYear)是为了弥补因人为历法规定造成的年度天数与地球实际公转周期的时间差而设立的,补上时间差的年份为闰年,闰年共有
天(
月分别为
天、
天、
天、
天、
天、
天、
天、
天、
天、
天、
天、
天).如图是判断年份是否为闰年的算法框图,则下列年份不是闰年的年份是( )
![](https://img.xkw.com/dksih/QBM/2021/4/27/2708967148609536/2786211137511424/STEM/4fa1bc9e-05e5-47da-8558-3459954e858d.png?resizew=377)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d754c4a7fcd868507b9f26e61a3927d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6cb8618c2b360ba8b7d33ac43a3640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34584b79ec2246f47aeed8855d2762c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d601a8e9eafdb33760fed9eee1151267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34584b79ec2246f47aeed8855d2762c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34584b79ec2246f47aeed8855d2762c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34584b79ec2246f47aeed8855d2762c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34584b79ec2246f47aeed8855d2762c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34584b79ec2246f47aeed8855d2762c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34584b79ec2246f47aeed8855d2762c0.png)
![](https://img.xkw.com/dksih/QBM/2021/4/27/2708967148609536/2786211137511424/STEM/4fa1bc9e-05e5-47da-8558-3459954e858d.png?resizew=377)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 运行如图所示的程序框图,若输入x的值为3,输出v的值为117,则判断框内可以填入( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/ad83f1c2-c469-4b5a-a52d-e51afaad1d3b.png?resizew=197)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/ad83f1c2-c469-4b5a-a52d-e51afaad1d3b.png?resizew=197)
A.k≥4? | B.k≤4? | C.k≤5? | D.k≥5? |
您最近一年使用:0次
2021-08-04更新
|
126次组卷
|
2卷引用:河南省新乡市2020-2021学年高一下学期期末数学试题
7 . 魏晋时期的数学家刘徽利用不断倍增圆内接正多边形边数的方法求出圆周率,首创“割圆术”.利用“割圆术”,刘徽得到了圆周率精确到小数点后两位的近似值3.14,这就是著名的“徽率”.如图是利用刘徽的“割圆术”思想设计的程序框图,则输出
的值为( )
![](https://img.xkw.com/dksih/QBM/2021/7/10/2761372783394816/2776852774993920/STEM/1544ce02f1c54ddfb571d13a2a8997ff.png?resizew=240)
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://img.xkw.com/dksih/QBM/2021/7/10/2761372783394816/2776852774993920/STEM/1544ce02f1c54ddfb571d13a2a8997ff.png?resizew=240)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ae7ae5f7b5dd556b46c64c6c15b484.png)
A.12 | B.24 |
C.48 | D.96 |
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解题方法
8 . 为了全面提高学生的体质健康水平,充分发挥体育考试的激励作用,信阳市今年中考体育考试成绩以满分70分计人中招成绩总分(其中中长跑满分30分).甲、乙两名同学进行了多次中长跑训练,现将甲、乙两同学10次的训练成绩记录如下:
甲:24,23,28,23,28,20,26,28,25,25;
乙:16,30,30,28,29,28,26,23,29,28.
![](https://img.xkw.com/dksih/QBM/2021/7/10/2761372783394816/2776852775649280/STEM/f744a33c-dc3b-408c-90b0-fe18df342f0c.png?resizew=247)
(1)完成两组数据的茎叶图,并根据茎叶图对甲、乙两名同学的成绩作比较,写出两个统计结论;
![](https://img.xkw.com/dksih/QBM/2021/7/10/2761372783394816/2776852775649280/STEM/f21b3c86-115f-44c2-bed4-fef34b19ded8.png?resizew=195)
(2)设甲同学平均成绩为
,将这10次成绩依次输入,按程序框(如图)进行运算,问输出的
大小为多少?并说明
的统计学意义.
甲:24,23,28,23,28,20,26,28,25,25;
乙:16,30,30,28,29,28,26,23,29,28.
![](https://img.xkw.com/dksih/QBM/2021/7/10/2761372783394816/2776852775649280/STEM/f744a33c-dc3b-408c-90b0-fe18df342f0c.png?resizew=247)
(1)完成两组数据的茎叶图,并根据茎叶图对甲、乙两名同学的成绩作比较,写出两个统计结论;
![](https://img.xkw.com/dksih/QBM/2021/7/10/2761372783394816/2776852775649280/STEM/f21b3c86-115f-44c2-bed4-fef34b19ded8.png?resizew=195)
(2)设甲同学平均成绩为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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9 . 某算法的程序框图如图,则输出的
值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/5a071f87-c2b2-4eb4-b2a2-a9b15f2b79a6.png?resizew=104)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/5a071f87-c2b2-4eb4-b2a2-a9b15f2b79a6.png?resizew=104)
A.3 | B.7 | C.9 | D.15 |
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解题方法
10 . 执行如图所示的程序框图,若输出的
,则判断框内填入的条件可以是( )
![](https://img.xkw.com/dksih/QBM/2021/7/12/2762626102214656/2766873625911296/STEM/42f033df-cb47-4eca-b22d-73e7501cb611.png?resizew=167)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388cf8f2546707fa195ebf852f7f57bb.png)
![](https://img.xkw.com/dksih/QBM/2021/7/12/2762626102214656/2766873625911296/STEM/42f033df-cb47-4eca-b22d-73e7501cb611.png?resizew=167)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次