Respostas

2014-06-02T16:54:12-03:00
B2-4.a.c---400-4.1.(-800)
400+3200
3600

-b+ou-delta/2a
20+ou-60/2
20+60/2----80/2-----40
20-60/2------  -40/2---  -20

ta nao
8000
nao 800
vaii da x1 -70 e x2 100
erivanbaby poe a conta toda entaoo poooorrrr faaaavvoooorrrrrr