Question

Calcule as Expressões Numéricas:
a) (- 13) – ( + 5) – ( - 3) + ( - 10) =
b) 18 - 12 + 3 – 9 + 20 =
c) 6 + ( 4 – 7) – ( - 3 + 7) =
d) – ( 9 + 3) + ( - 6 + 7) – 8 =

Answer 1

Explicação passo-a-passo:

a) -13 -5 +3 - 10= -28 +3= - 25

b) 6 +3 -9 +20= 29 -9= 20

c) 6 + ( -3) - ( +4)= 6 -3 -4= 6 - 7= - 1

d) - 11 + 1 - 8= - 19 +1= - 18