麟游天气:100个初等数学问题

来源:百度文库 编辑:中科新闻网 时间:2024/05/06 17:47:18
斯坦纳的三点内摆线Steiner's Three-pointed Hypocycloid
确定一个三角形的华莱士(Wallace)线的包络.

Steiner's Three-pointed