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20 ottob 1800 anni - El abaco

Descrizione:

El ábaco es un instrumento que sirve para efectuar operaciones aritméticas sencillas (sumas, restas, divisiones y multiplicaciones y otras más complejas, como calcular raíces).

Aggiunto al nastro di tempo:

avance de la tecnologia

Bykevedin
18 ott 2018
0
0
315

Data:

20 ottob 1800 anni
Adesso
~ 225 years ago

Immagini:

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