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aug 1, 3500 BC - Invención del ábaco.
Description:
El ábaco fue quizá el primer dispositivo mecánico de contabilidad que existió.
Added to timeline:
tecnologia
By
Alvaro
3 Oct 2018
0
0
500
Date:
aug 1, 3500 BC
Now
~ 5530 years ago
Images:
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