Предмет: Математика, автор: nikasuvalova

Помогите пожалуйста
1) Найдите первый член геометрической прогрессии, знаменатель которой равен 3/4, а сумма первых четырёх членов равна 350.
2) Найдите первый член геометрической прогрессии, у которой знаменатель
равен 2, а сумма первых шести членов равна 441.

Ответы

Автор ответа: timofei9009900

Ответ:

смотриииииииии фотооооооооооооооо

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