Question

calcule:

a) (+3) + (+2)=

b) (+5) + (+1)=

c)(+7) + (+5)=

d) (+2) + (+8)=

e) (+9) + (+4)=

f) (+6 + (+5)=

g) (-3)+(-2) =

h) (-5)+(-1)=

​

Answer 1

Resposta:

a) 5

b) 6

c) 12

d) 10

e) 13

f) 11

g) 1

h) 6