Respostas

2014-03-17T20:02:27-03:00
8√¯-1 njnjjbhdxbwehjbhjwbjhckbj
1 5 1
2014-03-17T20:23:41-03:00
Efetue: 
 3√¯5 + √¯5 - 6√¯5
-2√5