退屈な授業中の暇つぶしに使えそうなYouTubeの数学的落書き紹介動画シリーズ「Doodling in Math Class」をご紹介。 [YouTube] Doodling in Math Class: Binary Trees Thank you to all the people I know whose math classes do not require such pastimes! More videos/info: http://vihart.com/doodling Doodling Snakes + Graphs: ttp://www.youtube.com/watch?v=heKK95DAKms Doodling Stars: http://www.youtube.com/watch?v=CfJzrmS9UfY http://vihart.com [YouTub
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