Предмет: Математика, автор: VisaFox8457

Розкрийте дужки :
A) 3(3а-b+9)

Ответы

Автор ответа: aurumomg

0

Ответ:

Выражение в скобках умножаем на 3:

3 (3a-b+9)= 9a-3b+27

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