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1 oct. 3010 av. J.-C. - Счеты- абак

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В Древнем Вавилоне изобретены первые счеты - абак.

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Информатика в датах

9 oct. 2017

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1128

Date:

1 oct. 3010 av. J.-C.

Maintenaint

~ Il y a 5039 ans

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