Question

resolva as expressões!!
pfvr façam as contas

Answer 1

Resposta:

$9) \:letra \: a \\ ( { \frac{1}{2} })^{ - 3} + ( { \frac{1}{2} })^{ - 5} \\ ( {2})^{ 3} + ( {2})^{5} \\ 8 + 32 = 40 \\ 10) letra \: b\\ ( { \frac{1}{2} + \frac{1}{3} })^{ - 1} + \frac{2}{3} \\ ( { \frac{5}{6} })^{ - 1} + \frac{2}{3} \\ \frac{6}{5} + \frac{2}{3} = \frac{28}{15}$

9)