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First known Abacus (15 janv. 2700 av. J.-C. – 11 oct. 2300 av. J.-C.)

Description:

Made from the early Babylonians

Ajouté au bande de temps:

I.C.T. growth over the centuries

ByBabis Kinigopoulos

29 févr. 2020

0

0

254

Date:

15 janv. 2700 av. J.-C.

11 oct. 2300 av. J.-C.

~ 399 years

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