Question

2) Calcule:
a) (-2).(+3). (+4) = 5
e) (+1).(+1).(+1).(-1)=
b) (+5).(-1). (+2) =
f) (+3).(-2).(-1).(-5) =
g) (-2).(-4).(+6).(+5) =
c) (-6).(+5).(-2) =
d) (+8).(-2).(-3) =​

Answer 1

nao entendi mt bem Explicação passo-a-passo: