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jan 1, 3866 BC - Использование зарубок, насечек, узелков для счета Предметный счет: камешки, палочки, зерна

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Пятков Денис ЭВМ

ByВладислав Снигирев

6 Feb 2023

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jan 1, 3866 BC

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~ 5896 years ago

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