Предмет: Алгебра, автор: ch1naacc0unt000

Помогите с задачей! СРОЧНО!!! ДАЮ 15 БАЛЛОВ!

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Ответы

Автор ответа: Unknowed22

0

Ответ:

1)7;2)643

Объяснение:

(5+2)*(25-10+4)/19=7*19/19=7

(18³-11³)/7=(18-11)(18²+18*11+11²)/7=18²+18*11+11²=324+198+121=643

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