Предмет: Математика, автор: ArtGirl2203

3x×(a-b)-a+b
cрочно!!

Ответы

Автор ответа: yevheniiavz

Відповідь:

ответ на фото.

Приложения:

ArtGirl2203: а что означает 1?

yevheniiavz: коефициент при (a-b)

yevheniiavz: грубо говоря, при первом (a-b) стоит 3x, а при втором единица, но я её не написал, как нет разницы - результат будет один и тот же при умножении на 1.

yevheniiavz: выносим (a-b), и остается (3x-1)

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