欧几里得不仅是古希腊的数学家、力学家,还是一个很好的老师。他培养过许多学生,其中有一个特别的学生,就是希腊国王托勒密一世。数学在当时是一个时髦话题,欧几里得被请到皇宫,教国王学习一点几何知识。刚开始上几何课时,国王挺认真,似乎下了决心要学好这门课。可是,时间一长,托勒密一世的兴趣就逐渐减淡了。尽管欧几里得讲授的几何学内容都很浅显,但对不爱学习的国王而言,一堂课的时间 Euclid is not only an ancient Greek mathematician, a mechanic, or a good teacher. He has trained many students, including a special student, Ptolemaic I of Greece. Math was a fashionable topic at the time, and Euclid was invited to the palace to teach the king a little knowledge of geometry. At the beginning of the geometry class, the king was very serious and seemed determined to learn this lesson. However, over time, Ptolemy’s interest gradually fades. Although the contents of Euclidean geometry are very simple, but do not love to learn the king, a class time