Нетривиальная задача для 7 класса
Мой канал ВК —
Найди площадь треугольника.
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![[Просто о сложном. Начальная школа] Вычитание двузначных чисел столбиком. Учим ребенка вычитать.](https://sun9-37.userapi.com/impg/5jDwiRnAc_ybkAZZm5qzhdWS1jLcOK4SwiRbYA/Z0v3IowJBDQ.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=ac714458b3942b56cb2c25e922b3edf5&c_uniq_tag=0lSLIT1_ozKq1-LeoCprPxKCry_17C36IKgMvWLc0io&type=video_thumb)
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