(+8) + (-2) + (-7) +(-8) + (+5) + (+7) + (+8) + (-3)=???
![8 2 7 8 5 7 8 3 class=](https://pt-static.z-dn.net/files/d80/b46872be542010627d977683acd72c9e.jpg)
Resposta:
D
Explicação passo a passo:
(+8)+(-2)+(-7)+(-8)+(+5)+(+7)+(+8)+(-3)=
8-2-7-8+5+7+8-3=
6-7-8+5+7+8-3=
-1-8+5+7+8-3=
-9+5+7+8-3=
-4+7+8-3=
+3+8-3=
11-3=
+8