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26 Apr 1495 Jahr - Аль-Каши

Beschreibung:

Трактат «Ключ арифметики» описывает шестидесятеричную систему счисления.

Zugefügt zum Band der Zeit:

Арифметика

9 Dez 2017

0

0

424

Datum:

26 Apr 1495 Jahr

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~ 530 years ago

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