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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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31 ago 1136 ano - Первая древнерусская математическая работа
Adicionado na linha do tempo:
развитие науки
By
Илона Балани
23 dez 2017
0
0
553
Data:
31 ago 1136 ano
Agora
~ 889 years ago
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