Question

por favor responder ​Boa tarde

Answer 1

Resposta:

$a)\frac{5 + 2}{8} = \frac{7}{8}$

b)

$\frac{5 + 8}{10} = \frac{13}{10}$

c)

$\frac{2}{5}$

d)

$\frac{2}{5}$