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26 Apr 489 Jahr v. Chr. - Абак усовершенствовали.

Beschreibung:

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

Zugefügt zum Band der Zeit:

Информатика в датах

ByИнна
9 Okt 2017
0
0
965

Datum:

26 Apr 489 Jahr v. Chr.
Jetzt
~ 2515 years ago

Abbildungen:

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