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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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18 sept 1818 año - появился механический калькулятор
Descripción:
механический калькулятор- мог не только складывать и умножать, но и вычитать и делить.
Añadido al timeline:
История развития ВТ
By
Евгений
22 sep 2017
0
0
593
fecha:
18 sept 1818 año
Ahora mismo
~ 207 years ago
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