c.exam.100
于 2009-12-28 发布
文件大小:38KB
0 83
下载积分: 1
下载次数: 3
代码说明:
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?(Title: There are 1,2,3,4 digits, how many can be formed from each other and without duplication of the three-digit numbers? How many are?)
下载说明:请别用迅雷下载,失败请重下,重下不扣分!
发表评论