Question

a) (+8) + (-3) + (+7) =​

Answer 1

→ Cálculo :

$\large{ \ {\boxed { \begin{array}{lr} {(+8) + (-3) + (+7)=} \\ \\ {+8-3+7=}\\\\{+15-3=}\\\\\boxed{\red{ \ \ +12 \ \ }} \rm \ { \Leftrightarrow} \ Resposta \end{array}}}}$

Answer 2

Resposta:

+12

Explicação passo-a-passo:

(+8)+(-3)+(+7)

8-3+7

+12