Número racional = a/b
Número entero = a ; -a...
d)
[tex]\bold{\left[\left(-\dfrac{7}{3}\right)\cdot \dfrac{4}{5}-2\right]\cdot \dfrac{5}{3}}[/tex]
[tex]\bold{\left[\left(-\dfrac{28}{15}-2\right)\right]} \cdot \dfrac{5}{3}[/tex]
[tex]\bold{\left[-\dfrac{58}{15}}\right] \cdot \dfrac{5}{3}[/tex]
[tex]\boxed{\bold{-\frac{58}{9}}}<-\bold{Respuesta}[/tex]
f)
[tex]\bold{-3\cdot \dfrac{4}{15}-\left(\dfrac{7}{8}\cdot \:5-9\right)}[/tex]
[tex]\bold{-3\cdot \dfrac{4}{15}-\left(-\dfrac{37}{8}\right)}[/tex]
[tex]\bold{-\dfrac{4}{5}-\left(-\dfrac{37}{8}\right)}[/tex]
[tex]\bold{-\dfrac{4}{5}+\dfrac{37}{8}}[/tex]
[tex]\boxed{\bold{\dfrac{153}{40}}}<-\bold{Respuesta}[/tex]