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1 gen 3500 anni a. C. - ÁBACO

Descrizione:

El ábaco es un instrumento que sirve para efectuar operaciones aritméticas sencillas. Consiste en un cuadro de madera con barras paralelas por las que corren bolas movibles, útil también para enseñar cálculos simples.

Aggiunto al nastro di tempo:

HISTORIA DE LA INFORMÁTICA

ByBryan Jiménez
2 ott 2017
0
0
751

Data:

1 gen 3500 anni a. C.
Adesso
~ 5529 years ago

Immagini:

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