Respostas

2014-02-25T22:09:19-03:00
2014-02-25T22:16:41-03:00
Olá

√3969=√3x3x3x3x7x7=√3².3².7²= 3x3x7=63

3969|3
1323|3
441|3
147|3
 49 |7
  7|  7
  1 
  
3969=63