Question

Calcule as seguintes expressões.

Answer 1

Resposta:

Explicação passo-a-passo:

$c)\frac{-3}{-\frac{2}{9}} => (-\frac{3}{1}).(-\frac{9}{2})=> \frac{27}{2}\\ d) 5+ \frac{\frac{1}{3}+\frac{1}{2}}{3\frac{6}{5}}=> \frac{\frac{2+3}{6}}{\frac{15+6}{5}}=> \frac{\frac{5}{6}}{\frac{21}{5}}=> \frac{5}{6}.\frac{5}{21}=>\frac{25}{126}$