1 янв 3000 г. до нашей эры - The Abacus
Описание:
The Abacus was invented in Babylonia around 5000 years from the present day. The Abacus is the first computing device ever made, it was made with the intention of making large amounts easier and faster to calculate.
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1 янв 3000 г. до нашей эры
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