[tex]9 \frac{1}{2} \div 19 - 12.7 \div ( - 10) + 11 \frac{2}{10} \div 14 = \frac{19}{2 \times 19} + 1.27 + \frac{112}{10 \times 14} = 0.5 + 1.27 + 0.8 = 2.57[/tex]