Question

30 pontos! URGENTE! (Matemática)

Answer 1

Resposta:

$a) \: \frac{ \frac{8}{5} }{ \frac{4}{5} } = \frac{8}{5} \times \frac{5}{4} \\ \frac{40}{20} = 2 \\ \\ b) \: \frac{ \frac{ {}^{6} }{4} }{ \frac{3}{8} } = \frac{6}{4} \times \frac{8}{3} = \\ \\ \frac{48}{12} = 4$

Answer 2

$\sf Veja\:Abaixo$

A)

$\sf \left(\dfrac{8}{5}\right):\left(\dfrac{4}{5}\right)=\dfrac{8}{5} \times\dfrac{5}{4} =2$

B)

$\sf \left(\dfrac{6}{4}\right):\left(\dfrac{3}{8}\right)=\dfrac{6}{4} \times\dfrac{8}{3} =2\times2=4$

Bons estudos =)