5 4) - - -(-吉) 8) 15-28,41 (9) 一章 ○) 吉--吉). 6 5 6 очучить таб.

Ответ:

1. 4)

   \[-\frac{5}{8} - \left(-\frac{1}{4}\right) = -\frac{5}{8} + \frac{1}{4} = -\frac{5}{8} + \frac{2}{8} = -\frac{3}{8}\]

2. 8)

   \[15 - 28.41 = -13.41\]

3. 9)

   \[\frac{4}{7} - \frac{5}{7} = -\frac{1}{7}\]

4. 10)

   \[\frac{5}{6} - \left(-\frac{1}{6}\right) = \frac{5}{6} + \frac{1}{6} = \frac{6}{6} = 1\]

Ответ: