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26 apr 489 anni a. C. - Абак усовершенствовали.

Descrizione:

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

Aggiunto al nastro di tempo:

Информатика в датах

ByИнна
9 ott 2017
0
0
965

Data:

26 apr 489 anni a. C.
Adesso
~ 2515 years ago

Immagini:

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