Răspuns:
[tex] \frac{5 + 14}{18} \div \frac{3 \times 4 + 5}{5 } + \frac{2 \times 7 + 9}{9} = \frac{19}{18} \div \frac{17}{5 } + \frac{23}{9} = \frac{19}{18} \times \frac{5}{17} + \frac{23}{9} = \frac{95}{306} + \frac{23}{9} = \frac{95 + 552}{306} = \frac{647}{306} [/tex]
