Предмет: Математика, автор: fanya51688

При a+b=-1
-2,2a-2,2b

Ответы

Автор ответа: Banabanana

1

-2,2a - 2,2b = -2,2(a + b)

при a + b = -1

-2,2(a + b) = -2,2*(-1) = 2,2

Ответ: 2,2

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