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Tomoaki Shimoyama
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四面体と内接球
Activity
Tomoaki Shimoyama
２次関数のグラフの特徴まとめ
Activity
Tomoaki Shimoyama
２次関数の考察
Activity
Tomoaki Shimoyama
3乗和の因数分解をビジュアル化
Activity
Tomoaki Shimoyama
