[tex] \it 2,4 \cdot 10 + 59:10 - 18:2,5 = \\ \\ \it \frac{24}{10} \cdot 10 + 59:10 - 18: \frac{25}{10} = \\ \\ \it 24 + 59 \cdot \frac{1}{10} - 18 \cdot \frac{10}{25} = \\ \\ \it ^{50)} 24 + \: ^{5)} \frac{59}{10} \: - \: ^{2)} \frac{180}{25} = \\ \\ \it \frac{1200}{50} + \frac{295}{50} - \frac{360}{50} = \\ \\ \it \frac{1495}{50} - \frac{360}{50} = \frac{1135}{50}^{(5} = \boxed{\frac{227}{10}}[/tex]
