Question

me ajudem a resolver essa conta, obrigada
+8-3+7-5-3

Answer 1

8-3+7-5-3 = (8+7) + (-3-3-5) = 15 + (-11) = 15-11 = 4

Answer 2

= + 8 - 3 + 7 - 5 - 3

= 5 + 2 - 3

= 7 - 3

= 4