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23 dic 3500 anni a. C. - Se inventa el Ábaco

Descrizione:

El ábaco es un instrumento que sirve para efectuar operaciones aritméticas sencillas; sumas, restas, divisiones y multiplicaciones y otras más complejas

Aggiunto al nastro di tempo:

Alexander Chicas 1°-K-ITSI

ByAlexander Rivas
31 ott 2017
0
0
1071

Data:

23 dic 3500 anni a. C.
Adesso
~ 5530 years ago

Immagini:

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