Question

02. Calcule as expressões:
a) (-7)(+3) (-1) =
b) (-1)(+1) (-1)×(+1) =
c) (-5) 0 x (+5) x 0 =
d) (+7) (-1)(-7) (+1) =
e) (+4)*(-4) +4)(+4) =​

Answer 1

Resposta:

a) (-7)(+3) (-1) = +21

b) (-1)(+1) (-1)×(+1) = +1

c) (-5) 0 x (+5) x 0 = 0

d) (+7) (-1)(-7) (+1) = +49

e) (+4)*(-4) +4)(+4) = -256