\[\boxed{\text{54\ (54).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
Пояснение.
Решение.
\[\textbf{а)}\ \frac{m}{2p} - \frac{m - p}{2p} = \frac{m - m + p}{2p} =\]
\[= \frac{p}{2p} = \frac{1}{2}\]
\[\textbf{б)}\ \frac{a + b}{6} - \frac{a - 2b}{6} =\]
\[= \frac{a + b - a + 2b}{6} = \frac{b + 2b}{6} =\]
\[= \ \frac{3b}{6} = \frac{b}{2}\]
\[\textbf{в)}\ \frac{7y - 13}{10y} - \frac{2y + 3}{10y} =\]
\[= \frac{7y - 13 - 2y - 3}{10y} = \frac{5y - 16}{10y}\]
\[\textbf{г)}\ \frac{8c + 25}{6c} + \frac{5 - 2c}{6c} =\]
\[= \frac{8c + 25 + 5 - 2c}{6c} = \frac{6c + 30}{6c} =\]
\[= \frac{6 \cdot (c + 5)}{6c} = \frac{c + 5}{c}\]