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Автор - katya3729

(8a-1)×(-6)+(3a-7)×(-2) если a=1/3
СРОЧНААА!!!​

Ответ

Автор - Spynder

Ответ:

-18a+20

Пошаговое объяснение:

Раскроем скобки:

(8a-1)×(-6)+(3a-7)×(-2) = -48a+6-6a+14

Сократим:

-54a+20

Подставим 1/3 вместо a:

-54a*1/3+20 = -18a+20

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