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jan 1, 500 BC - Romanos usan ábacos

Description:

Los romanos utilizan ábacos y para las bolas usan piedras a las que llaman cálculos.

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Reflexión histórico-filosófica de las TIC

ByOBED LOPEZ BAILON

10 Mar 2020

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511

Date:

jan 1, 500 BC

Now

~ 2527 years ago

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