Computer films about entertaining and unsolved problems of mathematics. Film Nine. Drilling of square holes

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The film by the authors of the site "Mathematical Etudes" (www. etudes.ru) tells how to drill a square hole with the help of a Relo triangle. On the disk there is a computer film ""Drilling of square holes""
LF/964012555/R
Data sheet
- Name of the Author
- Андреев Н.Н.
Калиниченко М.А. - Language
- Russian
- Release date
- 2007