Question

a) (+7).(-5)
b)-9)•(-8)
c) (+10).(+3)​

Answer 1

Resposta:

a) (+7).(-5)=-35

b) (-9).(-8)= +72

c)(+10).(+3)=+30

d) (+9).(-11)=-99

e). (-7).(+6)=-42

f) (+6).(+11)=+66