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5 jul 1221 ano - Леона́рдо Пиза́нский (Фибоначчи)

Descrição:

«Книга абака»-

Adicionado na linha do tempo:

Арифметика

9 dez 2017

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423

Data:

5 jul 1221 ano

Agora

~ 804 years ago

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