资讯
A variation of a puzzle called the “pick-up sticks problem” asks the following question: If I have some number of sticks with random lengths between 0 and 1, what are the chances that no three of ...
All geometrically distinct nets (edge-unfoldings) are explicitly constructed for the infinite family of polyhedra known as uniform antiprisms. The Fibonacci numbers F2n are shown to count the number ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果