Respostas

2014-06-10T11:17:37-03:00
(-34)+(+12)-34+12-46=
-34+12-34+12-46=
-34-34-46+12+12=
-114+24=
-90
  • Usuário do Brainly
2014-06-10T13:45:19-03:00
(-34)+(+12)-34+12-46=
-34+12-34+12-46=
-34-34-46+12+12=
-114+24=
-90