なぜ円錐の体積は1/3がつくの？【ゆっくり解説】
Cones are mysterious (^^) Recommended books related to this video are here↓↓↓ "Newton Encyclopedia Series: Mathematics Encyclopedia" https://x.gd/nVbmX PR Subscribe to the channel here↓↓↓ / @yukkuri_suugaku [Illustrations] 〇Irasutoya 〇Niconico Commons 〇Pixabay 〇Wikimedia 〇Adobe Stock [Sound Effects] 〇Sound Effects Lab [BGM] 〇Heartwarming Waltz (Recorder) 〇Sunday Afternoon
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最大面積の図形は驚きの○○【ゆっくり解説】
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[Slow explanation] What is the mysterious number "π" that fascinates mathematicians?
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