Respostas

2014-04-15T13:21:26-03:00
{10+[5. 14 -8].2}-100
={10+62}-100
=72-100
= -28
Acho que está certo, bjs
6 2 6
2014-04-15T13:22:24-03:00
(10+(5•[4+2•5)-8)•2)-10
(10+(5•11-8)•2)-10
(10+39•2)-10
88-10
=78
5 3 5