Question

02) Calcule as seguintes somas algébricas:
a) 6 + ( - 9 + 1 ) =
b) 8 - ( - 6 + 10 ) =
c) - 10 + ( 6 - 4 ) =
d) 2 + ( 2 + 5 - 7 ) =
e) - 5 + ( 2 - 4 ) - ( 7 - 1 ) =
f) ( - 5 + 3 ) - ( 5 - 9 ) + ( 8 - 1 ) – 11 =

Answer 1

Resposta:

a) -2

b) 4

c) -8

d) 2

e) -13

f) -2