Предмет: Алгебра, автор: madamvlada2000

Установить соответственность между формулами н-х членов, что задают геометрические прогрессии (1-3), и сумами пяти первых членов этих прогрессий.
помогите пожалуйста!)

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Автор ответа: Аноним

см. приложение...........................

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