Question

5/2 : 7/2 : 3/1
Poderiam me ajudar????

Answer 1

Espero ter ajudado.

$\frac{5}{2}\div \frac{7}{2}\div \frac{3}{1}\\\\\frac{5}{2}\times \frac{2}{7}\div \frac{3}{1}\\\\\frac{5}{2}\times \frac{2}{7}\times \frac{1}{3}\\\\\frac{5\times \:2\times \:1}{2\times \:7\times \:3}\\\\\frac{5\times \:1}{7\times \:3}\\\\\frac{5}{7\times \:3}\\\\=\frac{5}{21}$