今天,我和小妹一起看了一篇文章——《到熊那儿去》。看完后小妹想知道这篇文章一共有多少字。于是她就一个个开始数:1、2、3、4……半个小时过后,终于听到她大喊道:“5943个字。”我偷偷地笑她:“这种方法太慢了!”“怎样能够快速地计算出来呢?”小妹开始想办 Today, I read an article with my little sister - “Go to the Bear.” After reading the little girl want to know how many words this article. So she started one by one: 1,2,3,4 ...... After half an hour later, finally heard her shouting: “5943 words. ” I secretly laugh at her: “This method is too Slow! ”“ How to quickly calculate it? ”Sister began to think about it