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9 dez 1499 ano - Счёты

Descrição:

Простое механическое устройство для выполнения арифметических расчётов

Adicionado na linha do tempo:

История развития вычислительной техники

ByЯна Алексеенко

5 set 2017

0

0

828

Data:

9 dez 1499 ano

Agora

~ 526 years ago

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