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17 h 44 m, 1 jan 1942 ano - Calculadora de Pascal (1642)

Descrição:

Blaise Pascal inventó una máquina de sumar mecánica para ayudar a su padre a calcular impuestos.

Adicionado na linha do tempo:

Luia

ByLuis Dominguez

9 nov 2017

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0

582

Data:

17 h 44 m, 1 jan 1942 ano

Agora

~ 83 years ago

Imagens:

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