2011年4月27日
摘要: 题目:小明去买了10斤油,装在一个大瓶子里,还有两个空瓶子,一个7斤的,一个3斤的,小明想平分油(分成两个5斤),怎么做?解法:一开始,10斤瓶是满的,3斤瓶和7斤瓶都是空的。把3斤瓶灌满,倒入7斤瓶中; //7斤瓶中有3斤;再把3斤瓶灌满,倒入7斤瓶中;//7斤瓶中有6斤;再把3斤瓶灌满,倒满7斤瓶; //7斤瓶中有7斤油,3斤瓶中有2斤油;10斤瓶中有1斤油;把7斤瓶中的7斤油全部倒入10斤瓶中;//10斤瓶中有8斤油,3斤瓶中有2斤油,7斤瓶是空的;把3斤瓶中的2斤油倒入7斤瓶中; //7斤瓶中有2斤油;把10斤瓶中的的3斤倒入3斤瓶中; //3斤瓶中有3斤;把3斤瓶中的油全部倒入7斤瓶 阅读全文
posted @ 2011-04-27 13:04 Frank.Fan 阅读(340) 评论(1) 推荐(0) 编辑
摘要: Self-Introduction in Optional CourseHello everybody. Myname is FanYong. I am so happy to come here to study with you. Why am I sohappy? Because I can introduce myself to all of you although we haven’t all metbefore. So firstly, I will tell something simple about me. I come fromInformation Technology 阅读全文
posted @ 2011-04-27 08:08 Frank.Fan 阅读(366) 评论(0) 推荐(0) 编辑