Предмет: Математика, автор: davaok096792hh

Срочно помогите, переобразуйте выражения в торжественно равные

Приложения:

Ответы

Автор ответа: Aspirant2024
2

Ответ:

Смотри решение

Пошаговое объяснение:

1. Решаем 1 пример:

3,4x+1,6-2,8x-2=0,6x-0,4\\

2. Решаем 2 пример:

-3\frac{1}{2}y*4x=-3,5y*4x=-14xy\\

3. Решаем 3 пример:

5*(1,8x+1,2)-12=9x+6-12=9x-6\\

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