DescriptionYanghui magic circle 2 - Arabic numerals.png Nederlands: Gebaseerd op File:Yanghui magic circle 2.jpg English: Based on File:Yanghui magic circle 2.jpg...
mybook 唐戈藏书《杨辉算法》 Author Yang Hui 13th century. 十三世纪南宋杨辉 Other versions Derivative works of this file: Yanghui magic circle 2 - Arabic numerals.png: ...
https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Magic circles devised by Yang Hui...
