文件名称:zhushuzi
介绍说明－－下载内容均来自于网络，请自行研究使用
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。 -Have 1, 2, 3, 4 Numbers, how many can form a different from each other and have no the repeat number three digits? How much be?
1. The program analysis: can fill in one hundred, ten, bit number is 1, 2, 3, 4. Of all the arrangement of remove not meet again after the arrangement of the condition.
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。 -Have 1, 2, 3, 4 Numbers, how many can form a different from each other and have no the repeat number three digits? How much be?
1. The program analysis: can fill in one hundred, ten, bit number is 1, 2, 3, 4. Of all the arrangement of remove not meet again after the arrangement of the condition.
(系统自动生成,下载前可以参看下载内容)
下载文件列表
zhushuzi.docx