Question

+2-3+10
+2-3+10
-1+10
-------
9

Answer 1

Resposta:

Explicação passo a passo:

$\frac{2-3+10+2-3+10-1+10}{9}\\-1+10+2-3+10-1+10\\9+2-3+10-1+10\\11-3+10-1+10\\8+10-1+10\\18-1+10\\17+10\\27$

$\frac{27}{9}=3$