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20 Okt 1800 Jahr - El abaco

Beschreibung:

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

Zugefügt zum Band der Zeit:

avance de la tecnologia

Bykevedin
18 Okt 2018
0
0
315

Datum:

20 Okt 1800 Jahr
Jetzt
~ 225 years ago

Abbildungen:

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