【中学受験算数】平面図形 面積の等しい長方形と二等辺三角形 【最難関クラス/偏差値up】

2023 8:12
Synopsis
面積の等しい長方形と二等辺三角形を重ねたた問題です。面積の等しいをどう扱うかが鍵になります。いろいろな解き方のできる ...
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