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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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5 abr 3515 año aC - The abacus is invented
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Linea de tiepo
By
Atilio Rodriguez
9 oct 2017
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0
494
fecha:
5 abr 3515 año aC
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~ 5544 years ago
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