[tex]3.3 \div ((1.3(8) + \frac{7}{24}) \times 2.6(18)) = \\ \frac{33}{10} \div (( \frac{25}{18} + \frac{7}{24} ) \times \frac{2592}{990} ) = \\ \frac{33}{10} \div (( \frac{100}{72} + \frac{28}{72} ) \times \frac{2592}{990} ) = \\ \frac{33}{10} \div ( \frac{16}{9} \times \frac{144}{55} ) = \\ \frac{33}{10} \div ( \frac{16}{1} \times \frac{16}{55} ) = \\ \frac{33}{10} \div ( \frac{256}{55} ) = \\ \frac{1815}{2560} = \\ \frac{363}{512} [/tex]

Sper că te-am ajutat!!