Question

mi ajude . TRABALHO DE RECUPERAÇÃO

Answer 1

b) -8-30=-38
c) -8/-27+1
-8+27/27
19/27

Answer 2

$c) \\ ( \frac{2}{3} ) ^{3} +1= \\ \\ \frac{8}{27} +1= \\ \\ \frac{8+27}{27} = \frac{35}{27}$