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jan 1, 2700 BC - Абак (счётная доска)

Description:

Первое известное приспособление для счёта. Позволяло выполнять сложение и вычитание, передвигая камешки или косточки по бороздкам.

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Вычислительные машины

ByAlina Ashirova

25 days ago

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0

6

Date:

jan 1, 2700 BC

Now

~ 4729 years ago

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