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6 gen 500 anni a. C. - Abacus

Descrizione:

Invention of the abacus in China

Abascusus are DIGITAL, meaning actual integers

Aggiunto al nastro di tempo:

Computers

ByJulien Martel

30 nov 2018

0

0

356

Data:

6 gen 500 anni a. C.

Adesso

~ 2527 years ago

Geo-marchi:

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