published on: 2014-11-20 16:52:36
mytr1p.tumblr.com/post/103129640877/
mytr1p.tumblr.com/post/103129659907/
mytr1p.tumblr.com/post/103129669127/
Mais complicada que fórmula de bhaskara.
mytr1p.tumblr.com/post/103129691862/
mytr1p.tumblr.com/post/103129709352/