分羊的故事

  • 时间:2020-04-06 20:50:56
  • 分类:数学世界
  • 阅读:166 次

分羊的故事:从前有一个老牧民,临终前留下遗言,要把17只羊分给三个儿子,大儿子分得二分之一,二儿子分得三分之一,小儿子分得九分之一,并规定不许把羊杀掉或卖掉。

这三个儿子怎么分也分不清楚,只好求助于当地一位有名望的老人。老人牵来一只羊,把总共18只羊的二分之一即9只羊分给了大儿子,把18只羊的三分之一即6只羊分给了二儿子,把18只羊的九分之一即2只羊分给了小儿子,剩下的1只羊是老人自己的羊,这个遗言解决了。

人们无不佩服这位聪明的老人。同学们,你们能明白其中的玄机吗?牵来一只羊后,带来了哪些变化呢?

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