Respostas

2014-07-01T19:07:06-03:00
15,18|2 15,9|3 5,3|3 5,1|5 1,1|/ 90 R= 90
2014-07-01T19:07:12-03:00
15, 18| 2
15, 9  | 3
 5, 3   | 3
 5, 1   | 5
  1, 1  |2.3.3.5= 90