Respostas

2013-08-26T16:06:28-03:00
1, 6, 11, 16

6-1=5
11-6=5
r=5

21
2 3 2
2013-08-26T16:07:56-03:00
A SEQUENCIA CORRETA É: 1 6 11 16 21
1 5 1