Question

1- Resolva As Expressões Numéricas Com Seus Cálculos:
a) 5 + ( + 3 – 2) =

b) 15 – ( - 12 – 20) =

c) 10 – [ - 8 + ( - 18 + 6) ] =

d) – 4 + 5 { 5 – [ 3 – ( - 6 + 9)]}

e) – ( - 6 – 8) + ( 4 – 5 + 10) =

f) – ( - 9 – + 5) – ( - 6 + 8 – 4) =

g) – 9 [ - 3 + ( - 2 + 1)]=

h) 20 – { - 10 – [ - 8 + ( 5 – 12)] – 20} =

​

Answer 1

a) 6
b) 47
c) 30
d) -9
e) 25
f) não entendi os sinais
g) 36