Предмет: Алгебра, автор: rabokinvika2021

СРОЧНО !!!!помогите пожайлуста 6- тільки його!!!!

Приложения:

rabokinvika2021: допоможіть

rabokinvika2021: будь ласочка ♥️)

floferum: Я хз в этой теме

floferum: Какая хоть прогрессия,арифметическая или геометрическая

floferum: Попробую

floferum: Решил

Ответы

Автор ответа: floferum

Ответ:

a1=-7

d=3

Объяснение:

Приложения:

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