Question

2. Calculando expressões:
a) (+10 -4)-(+9-8) + 3 =
b) - 3+ (-5 + 7) =
c)-8+ (-81-27) =
d) 7 - (8 - 9) + 1 =
e) (5-1) + (- 6 + 3) - (-2-8) =
f) -121 - (-11-8)=​

Answer 1

675469998+6864=6545

578843335789999

4677888877

57764456999887

4788654322

Explicação:

55799+65788______7763789&$47-_$688&&