Question

1) Resolva as operações abaixo:

a) 3/7 . 2/5 =

b) 8/5 . 1/2 . 3/4 =

c) 9/5 : 4/3

d) 1/2 : 3/5 =

Answer 1

Resposta:

$a) \frac{3}{7}*\frac{2}{5}=\frac{6}{35}\\\\b)\frac{8}{5}*\frac{1}{5}*\frac{3}{4}=\frac{24}{160}\\\\c)\frac{9}{5}:\frac{4}{3}=\frac{9}{5}*\frac{3}{4}=\frac{27}{20}\\\\d)\frac{1}{5}:\frac{3}{5}=\frac{1}{5}*\frac{5}{3}=\frac{5}{15}$