Respuesta:
4/15
Explicación paso a paso:
[tex]2.5 - ( \frac{2}{5} + 2 + \frac{7}{3}) + 2.5 [/tex]
[tex] \frac{25}{10} - ( \frac{6}{15} + \frac{30}{15} + \frac{35}{15} ) + \frac{25}{10} [/tex]
[tex] \frac{50}{10} - ( \frac{71}{15} )[/tex]
[tex]5 - \frac{71}{15} = \frac{75 - 71}{15} = \frac{4}{15} [/tex]
