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13 agos 1368 anni - El abaco

Descrizione:

El primer abaco fue creado el 13 de agosto de 1368 por los chinos para sumas,restas y multiplicaciones

Aggiunto al nastro di tempo:

Historia de las computadoras

BySara Trochez :3

15 nov 2019

0

0

252

Data:

13 agos 1368 anni

Adesso

~ 657 years ago

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