2015年2月11日

Problem 1~4

摘要： Problem 1: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 su... 阅读全文

posted @ 2015-02-11 15:17 gklee 阅读(220) 评论(0) 推荐(0)