【Q】数学の教員免許持ってるデカキンが本気で難解パズルを攻略してみた！（１〜２０）
Published July 16, 2015
Views 1.09M | Likes 5.95K | Comments 1.18K
Ranked #4,707,430 globally by view count, this video has accumulated 1.09M views since it was published on Jul 16, 2015.
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