20) Calcule as expressões:
![20 Calcule As Expressões class=](https://pt-static.z-dn.net/files/d51/cce56cfaf5da4187f183bc429df85615.png)
Resposta:
[tex] \frac{1}{3} + \frac{1}{5} + \frac{5}{6} [/tex]
[tex] = \frac{10}{30} + \frac{6}{30} + \frac{25}{30} [/tex]
[tex] = \frac{41}{30} [/tex]
C