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3h 25min, aug 13, 1368 y - el abaco

Description:

el primer abaco fue creado el 13 de agosto de 1368 por los chinos para sumas, restas y multiplicaciones

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historia de las computadoras

Bysantiago chamorro :v
15 Nov 2019
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Date:

3h 25min, aug 13, 1368 y
Now
~ 657 years ago
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