Question

15) Calcule: 3/5 – 3/7 – 5/7 – 8/3 =

Answer 1

-3.20952380952

mas pode se colocar 3.20

Answer 2

Resposta:

$\frac{-561}{105}$

Explicação passo-a-passo:

$\frac{3}{5} - \frac{3}{7} - \frac{5}{7} - \frac{8}{3}\\\\ \frac{63 - 45 - 75 - 504}{105} = \frac{-561}{105}$