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17 jan 1915 ano - el ábaco
Descrição:
el ábaco es un instrumento que sirve para efectuar operaciones aritméticas sencillas y fue inventado por los chinos
Adicionado na linha do tempo:
viviana
By
safari
1 out 2018
0
0
341
Data:
17 jan 1915 ano
Agora
~ 109 years ago
Imagens:
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