Открытый урок. Математика. ЕГЭ. Стереометрия.
Открытый урок. Математика. ЕГЭ. Стереометрия. №8 в профильном уровне, №13, №16 в базовом.
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![серебро [ gta in desc / гта в описании ]](https://sun9-20.userapi.com/MmA-kVOnC2LeDeUEdbhahxYyG0aVI6-Vog6hMw/hyVdI3lb01E.jpg)
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