Предмет: Математика, автор: totzikiston111

помогите решить пожалуйста я вас люблю

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Автор ответа: LizaLOL

0

Ответ:

Пошаговое объяснение:

1) Раскрытие скобок выполнено верно

2) Вынесение общего множителя выполнено верно

3) Раскрытие скобок выполнено неверно. Верно:

(b+4)*3=3b+4*3=3b+12

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