Г) \(0,75 - \frac{7}{42}\)

\(0,75 - \frac{7}{42} = \frac{75}{100} - \frac{7}{42} = \frac{3}{4} - \frac{1}{6} = \frac{9}{12} - \frac{2}{12} = \frac{9-2}{12} = \frac{7}{12}\) Ответ: \(\frac{7}{12}\)