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jan 1, 1673 - Конструирование арифмометра.

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Готфрид Вильгельм Лейбниц сконструировал арифмометр, позволяющий механически выполнять четыре арифметических действия.

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Развитие техники

16 May 2017

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jan 1, 1673

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~ 353 years ago

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