搜索 - 科创

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正十七边形绘制作为数学七大难题之一，多年以来一直有人不断摸索新的画法。这里是我从网上学习的各种方法中，我认为较简单的一种。在这里分享给大家。我是用几何画板5.06最强中文版画的。这个网上下好像要钱。

世界古代数学史上曾存在四大几何问题：用无刻度的直尺、圆规“三等分任意角”、“化圆为方”、“做2倍立方体”和“做正十七边形”。　　

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