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30 nov 3000 año aC - Criação do ábaco

Descripción:

O ábaco foi criado na China e foi a primeira forma de realizar cálculos aritméticos simples.

Añadido al timeline:

Evolução das TIC | Daniel e João

25 oct 2017

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420

fecha:

30 nov 3000 año aC

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~ 5030 years ago

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