Question

Calcule: a) (+3) + (+2) = e) (-6) + (+2) = b) (+5) + (+1) = f) (+9) + (-1) = c) (+7) + ( +5) = g) (+8) + (-3) = d) (+2) + (+8) = h) (+12) + (-3) =

Answer 1

Resposta:

a) (+3)+(+2)= +5

b) (+5)+(+1)= +6

c) (+7)+( +5)= +12

d) (+2)+(+8)= +10

e) (-6)+(+2)= -4

f) (+9)+(-1)= +9

g) (+8)+(-3)= +5

h) (+12)+(-3)= +9