立體變換:正十二邊形

正十二邊形通過鉸鏈變環:

三個六邊形組成一個六邊形:

https://www.bilibili.com/video/BV15t4y1k7ks

四個五角星割補成一個五角星:

https://www.bilibili.com/video/BV1NB4PemEXf

五塊拼圖,五種圖形:

https://www.bilibili.com/video/BV1RT4y1N7rR

三個六芒星割補成一個大六芒星:

https://www.bilibili.com/video/BV15t4y1k7ks

X變正方形

https://www.bilibili.com/video/BV1RK4y1r7K6

一個七芒星分裂成兩個七芒星

https://www.bilibili.com/video/BV12J41187Xz

拿走六角星,還是六角星

https://www.bilibili.com/video/BV1ZJ41147Sr

拿走正方形還是正方形

https://www.bilibili.com/video/BV1wJ41167Mn

餘切定理證明

https://www.bilibili.com/video/BV1VJ41117t5

開心得到三倍心

https://www.bilibili.com/video/BV1xt4y1J76B

第十枚硬幣

https://www.bilibili.com/video/BV1HJ411U7zT

三等分角:帕斯卡蝸線法

https://www.bilibili.com/video/BV1WqtMeZEXo

Leave a Comment