Respostas

2013-11-23T00:08:25-02:00
9 + 6 \sqrt{2} + 2 + 9 + 6 \sqrt{2}   + 2 = 

11 + 6 \sqrt{2}  + 11 + 6 \sqrt{2}  =

22 + 12 \sqrt{2}  
2013-11-23T00:37:56-02:00