Ответ:Решение:\(\frac{1}{5} - \frac{47}{10} = \frac{2}{10} - \frac{47}{10} = \frac{2 - 47}{10} = \frac{-45}{10} = -4.5\)\(5.7 - 7.6 = -1.9\)\(\frac{9.6}{1.2} = \frac{96}{12} = 8\)Ответ: -4.5; -1.9; 8.