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1 jan 500 ano antes da era comum - Abacus was invented

Descrição:

ancient calculating tool, constructed for the system of powers of ten.

Adicionado na linha do tempo:

kailey

20 out 2017

0

0

728

Data:

1 jan 500 ano antes da era comum

Agora

~ 2527 years ago

Imagens:

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