项链染色问题探讨

How to Dye the Necklace

文章从一道竞赛题出发,对一类区域染色问题进行了深入的讨论,得到了这类问题的一般解决方法.它是中学研究性学习的一个好题材,在教育实践中应该经常对学生开展这样形式的课题学习活动。

Based on the analysis of a question in a competition,the article tries to discuss how to dye necklaces.It is a good topic in the creative learning in middle schools and such type of class should be widely applied in middle schools.