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2 ore 56 min, 21 feb 2020 anni - Урок 26. Теорема, обратная теореме Пифагора.

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План уроков по теме "Площадь"

ByНаталья Вячеславовна Веймер

10 mar 2020

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2 ore 56 min, 21 feb 2020 anni

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