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jan 1, 1814 - Планиметр.

Description:

Учёный Дж. Герман создал планиметр - аналоговое устройство, которое предназначено для нахождения площади, ограниченной замкнутой кривой на плоскости.

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ByЕлизавета
16 Sep 2021
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Date:

jan 1, 1814
Now
~ 211 years ago

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