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1 gen 1673 anni - 3500 a.C

Descrizione:

Al 3500 a.C,L'Àbac primera màquina per realitzar càlculs.

Aggiunto al nastro di tempo:

HISTORIA PC

11 ott 2018

1

0

555

Data:

1 gen 1673 anni

Adesso

~ 353 years ago

Immagini:

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