树形三角

Tree-like Triangle

提出了“树形三角”的概念,它是在“树形图”的基础上,结合“杨辉三角”的有关性质构建而成的特殊三角形。利用“树形三角”可以简练而巧妙地解决“环形传递”问题。

The concept of 'Tree-like Triangle', which is a special triangle based on 'Tree-like Figure and combined with the nature of 'Yang Hui Triangle', is put forward in this article. We can solve the questions of 'Annular Transmission' tersely and ingeniously by using 'Tree - like Triangle' .