Свойства квадратных корней
Плейлист: математика ОГЭ - операции над числами
Разбор 8 задания, типовых вариантов (50 заданий) И. В. Ященко, ОГЭ 2023 математика.
ВИДЕО 3 - Свойства квадратных корней.
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