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1 gen 300 anni a. C. - Abacus (300 B.C.-1200 A.D.)

Descrizione:

The abacus is a device that dates back from 300 B.C.-1200 A.D. , it has beads/disks that can move up or down in order to help people what they’re calculating.

Aggiunto al nastro di tempo:

History Of The Computer!

ByJeffrey Guardado
5 dic 2018
1
0
333

Data:

1 gen 300 anni a. C.
Adesso
~ 2327 years ago

Immagini:

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