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First known Abacus (15 gen 2700 anni a. C. – 11 ottob 2300 anni a. C.)

Descrizione:

Made from the early Babylonians

Aggiunto al nastro di tempo:

I.C.T. growth over the centuries

ByBabis Kinigopoulos

29 feb 2020

0

0

255

Data:

15 gen 2700 anni a. C.

11 ottob 2300 anni a. C.

~ 399 years

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