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18 St. 51 Min, 18 Sept 1820 Jahr - el abaco

Beschreibung:

el primer instrumento que sirve para efectuar operaciones aritmeticas

Zugefügt zum Band der Zeit:

evolucion de la tecnologia

Bysebastian pelaez

30 Okt 2018

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0

434

Datum:

18 St. 51 Min, 18 Sept 1820 Jahr

Jetzt

~ 205 years ago

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