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26 gen 1300 anni - Появление счётов

Descrizione:

Простое механическое устройство для выполнения арифметических расчётов. Аналог абака.

Aggiunto al nastro di tempo:

История вычислительной техники

ByАлександра Малышева

7 set 2017

0

0

979

Data:

26 gen 1300 anni

Adesso

~ 726 years ago

Immagini:

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