Предмет: Математика, автор: olya140720

Помогите пожалуйста. Решение напишите на листочке и сфоткайте. (50б)

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Автор ответа: manyny06

решение смотри на фотографии

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Автор ответа: Анетка125

Смотри в файле...............

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