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jan 1, 1800 - El abaco

Description:

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.Su origen se remonta a la antigua Mesopotamia.

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Evolución de la tecnológica

Bylina marcela mendoza moncada
16 Oct 2018
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Date:

jan 1, 1800
Now
~ 225 years ago

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