Question

5. Calcule o valor das expressões:
a) (9-3). (9-3) =
d) (3-9)-(3-9) =
b) (9-3)-(3-9) =
e) (-3-9)-(3-9) =
c)(3-9).(9-3) =
f) (-9-3).(9-3) =​

Answer 1

Explicação passo-a-passo:

a) (9-3).(9-3)=36

d) (3-9)-(3-9)=0

b) (9-3)-(3-9)=12

e) (-3-9)-(3-9)=-6

c) (3-9).(9-3)=-36

f) (-9-3).(9-3)=-72