Question

Efetue as seguintes adições:
A)(-6)+(+8)
B)(+14)+(-5)+(-3)
C)(+6)+(-10)+(+12)+(-4)
D)(+27)+(+13)+(-28)+(-30

Mim ajudem por favor

Answer 1

A)(-6)+(+8)
-6+8=+2

B)(+14)+(-5)+(-3)
14-5+3
+9+3=12

C)(+6)+(-10)+(+12)+(-4)
+6-10+12-4
+18-14=+4

D)(+27)+(+13)+(-28)+(-30)
+27+13-28-30
+40-58= -18