Respostas

2014-07-02T22:19:12-03:00
(-9+5+3 )-8-2=
(-9+8)-10
= -1 -10
= -11

2014-07-02T22:20:03-03:00
(- 9 + 5 + 3) - 8 - 2 =
(- 4 + 3) - 8 - 2 =
- 1 - 8 - 2 =
- 9 - 2 =
- 11
1 5 1