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あなたはそれを解決しましたか? Russia’s Prime Minister sets a geometry puzzle

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Earlier today I set you the following puzzle, which was a challenge Russia’s Prime Minister, Mikhail Mishustin, gave to a class of Russian sixth formers earlier this month. Construct a perpendicular from the (red) poi...

あなたはそれを解決できますか? Russia’s Prime Minister sets a geometry puzzle

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今月上旬, Russia’s Prime Minister, Mikhail Mishustin, marked the first day of the school year by visiting a sixth form maths class at one of his country’s top science-oriented schools. The class was studying...