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27 май 1633 г. - LA REGLA DEL CALCULO

Описание:

La regla de cálculo es un instrumento de cálculo que dispone de varias escalas numéricas, para facilitar la rápida y cómoda realización de operaciones aritméticas complejas, como puedan ser multiplicaciones, divisiones.

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JUNIOR

Byjuniior.klk
16 ноя 2017
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438

Дата:

27 май 1633 г.
Сейчас
~ 392 г назад
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