Question

(1/4)².4/5+2/5:(2/3)³

Answer 1

(1/4)².4/5 = A
2/5:(2/3)³ = B

A =
$\frac{1}{4} ^{2} = \frac{1}{16}$
$\frac{1}{16} * \frac{4}{5} = \frac{4}{80} = \frac{1}{20}$

B=
$\frac{2}{3}^{3} = \frac{8}{27}$

$\frac{ \frac{2}{5} }{\frac{8}{27} } = \frac{2}{5} * \frac{27}{8} = \frac{54}{40} = \frac{27}{20}$

A + B = $\frac{1}{20} + \frac{27}{20}$


A + B = $\frac{28}{20}$

RESPOSTA: $\frac{7}{5}<span>$