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26 abr 489 año aC - Абак усовершенствовали.

Descripción:

Абак был усовершенствован и на свет появились счёты устройства, состоящего из набора костяшек, нанизанных на стержни.

Añadido al timeline:

Информатика в датах

ByИнна
9 oct 2017

fecha:

26 abr 489 año aC
Ahora mismo
~ 2515 years ago

Fotos:

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