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sep 10, 1368 - El abaco

Description:

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

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juan grisales y zambrano linea de tiempo

Byjuan grisales
31 Oct 2018
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Date:

sep 10, 1368
Now
~ 658 years ago
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