Question

pessoal me ajudem
preciso pra hoje ​

Answer 1

Resposta:

$2 \times \frac{4}{7} \\ \\ \frac{2}{1} \times \frac{4}{7} \\ \\ \frac{2 \times 4}{1 \times 7} \\\\\frac{8}{7}$

$8 \times \frac{5}{9} \\ \\ \frac{8}{1} \times \frac{5}{9} \\ \\ \frac{8 \times 5}{1 \times9 } \\ \\\frac{40}{9}$

$5 \times \frac{1}{8} \\ \\ \frac{5}{1} \times \frac{1}{8} \\ \\ \frac{5 \times 1}{1 \times 8} \\\\\frac{5}{8}$

• Espero ter ajudado.