Filter videos that may contain explicit content
Watch videos on the host site for those that don't play in Truveo
View video on YouTube
This video is provided and hosted from a third party server. Please be aware that this is search functionality helping you discover publicly available websites and their content. Truveo as a search engine does not host and is not responsible for the content.
I like it
Views:1
Runtime: 5:56
Description: 「多面体カード」シリーズ。模型(キューブ26のパーツ)を使って正4面体と正8面体の体積を求めます。ややこしい計算なんか無し!正4... (more)
Date: Wed, 11 Nov 2009


Email a Friend