Question

10) Calcule:

a) +5 + 3 =

b) +1 + 4 =

c) -4 - 2 =

d) -3 - 1 =

e) -8 -12 =

f) +5 +18 =

g) (-5) + ( -6) =

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

i) (+7) + ( +5) =

j) (+2) + (+8) =

k) (+9) + (+4) =

l) (+6) + (+5) = ​

Answer 1

Resposta:

a)7

b=5

c=-6

d=-4

e=-20

f=23

g=-11

h=6

i=12

j=10

k=13

l=11