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Eddie Wooさんのイラストまとめ


Mathematics teacher @NSWEducation. Leader @MathsGrowthTeam. Professor of Practice @Sydney_Uni. Author @WWWofMaths. Videos at youtube.com/misterwootube
misterwootube.com

フォロー数:180 フォロワー数:33027

Quick visual proof that (1+2+3+4+5)²=1³+2³+3³+4³+5³. Similar diagrams can be constructed to show (1+2+3+...+n)²=1³+2³+3³+...+n³

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