摘要: 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 t... 阅读全文
posted @ 2015-04-07 10:11 南宫什么都做 阅读(155) 评论(0) 推荐(0)