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m
题目:有1、2、3、4个数字,能组成多少个互不相同且无重复数字的三位数?都是多少?
1.程序分析:可填在百位、十位、个位的数字都是1、2、3、4。组成所有的排列后再去
掉不满足条件的排列。
(Title: There are numbers 1,2,3,4, how many can be composed of distinct three-digit numbers without repetition? Is how much? 1. Program Analysis: fill in the hundred, ten, a bit of the numbers are 1,2,3,4. Composed of all the permutations and then remove the arrangement does not meet the conditions.)
- 2011-05-23 17:49:15下载
- 积分:1
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main
7620摄像头采集程序(飞思卡尔128芯片)(7620 camera acquisition program (the Freescale 128 chip))
- 2012-11-24 16:41:44下载
- 积分:1
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GCmatlab.tar
Graph cut with matlab. It is very powerful
- 2021-01-16 21:38:46下载
- 积分:1
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4.ESFramework.Demos.Ftp
说明: 功能:
(1)客户端浏览服务器默认目录下的所有文件。
(2)客户端上传文件到服务器的默认目录下。
(3)客户端可以下载服务器默认目录下任何一个文件。(Functions:
(1) The client browses all files in the default directory of the server.
(2) The client uploads files to the default directory of the server.
(3) The client can download any file in the default directory of the server.)
- 2020-06-25 15:00:02下载
- 积分:1
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《C++ Primer 3e 题解》
说明: C++ Primer中文版及题解,一本学习C++的好书.(C Primer and that the Chinese version of Solutions, a learning C books.)
- 2005-10-18 12:42:04下载
- 积分:1
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ls_AR
时间序列分析,采用了最小二乘(LS)与自回归(AR)的组合模型,并用MATLAB将其实现(Time series analysis, using a least-squares (LS) and autoregressive (AR) model combination and its implementation using MATLAB)
- 2013-09-10 11:13:58下载
- 积分:1
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连接ch432
基于STM32HAL库的外接串口CH432,针对单片机串口不够用的情况用(The external serial port CH432 based on STM32HAL library is used to solve the problem that the serial port of single chip computer is not enough.)
- 2021-04-20 09:08:50下载
- 积分:1
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ZStack-CC2530-2.5.1a-ultrasonic
说明: 基于zigbee技术CC2530 开发采集超声波(Development of Acquisition Ultrasound Based on Zigbee Technology CC2530)
- 2020-06-22 22:40:02下载
- 积分:1
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CSharpReflector
对使用C#开发工具开发的代码进行反编译查看,及时了解软件的功能及意图(The use of C# development tool to decompile the code developed view, understand the function and intent of the software)
- 2010-11-02 12:32:15下载
- 积分:1
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syjk
说明: 串口监控,详细多串口应用,多线程开发
是实际应用后的项目
(c# )
- 2011-04-11 21:41:05下载
- 积分:1