Question

ДАЮ 50 БАЛЛОВ СРОЧНО НУЖНО!!! ​

Answer 1

Ответ:

1)2m-2n/3

2)5n-5m/2

3)3/2m-2n

4)-1

Answer 2

Ответ:

1. $\frac{2(m - n)}{3} = \frac{2 \times 0.6}{3} = \frac{1.2}{3} = 0.4$
2. $\frac{n - m}{0.4} = \frac{ - (m - n)}{0.4} = - \frac{0.6}{0.4} = - 1.5$
3. $\frac{1.5}{m - n} = \frac{1.5}{0.6} = 2.5$
4. $\frac{m - n}{n - m} = \frac{m - n}{ - (m - n)} = - \frac{0.6}{0.6} = - 1$