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1 янв 2400 г. до нашей эры - abacus

Описание:

It was thought to have been invented in Babylon, circa 2400
BCE.

Добавлено на ленту времени:

computer hidtory

ByCytuser Jayfu003
29 янв 2020

Дата:

1 янв 2400 г. до нашей эры
Сейчас
~ 4427 г назад
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