Question

1- Calcule:

a) (-2) + (-8) =
b) (-2) + (+8) =
c) (+2) + (-8) =
d) (+2) + (+8) =​

Answer 1

Resposta:

a)(-2)+(-8)= -10

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

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

d)(+2)+(+8)=​+10

Answer 2

Resposta:

a) -2 -8= -10

b) -2 +8=+6

c)+2 -8= -6

d)+2+8=+10