Problem 1: Add all the natural numbers below one thousand that are multiples of 3 or 5.
摘要：
Problem:If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.Find the sum of all the multiples of 3 or 5 below 1000.First, I... 阅读全文
posted @ 2010-07-28 21:02 Edmund Li 阅读(427) 评论(0) 推荐(0) 编辑