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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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6 ene 500 año aC - Abacus
Descripción:
Invention of the abacus in China
Abascusus are DIGITAL, meaning actual integers
Añadido al timeline:
Computers
By
Julien Martel
30 nov 2018
0
0
356
fecha:
6 ene 500 año aC
Ahora mismo
~ 2527 years ago
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