Respostas

2014-01-23T01:19:57-02:00
21=1,3,7 e 21
22=1,2,11 e 22
3 2 3
2014-01-23T09:27:39-02:00
21 =
1 ( 21 . 1 = 21 )
21 ( 1 . 21 = 21 )
7 ( 3 .  = 21 )
3 ( 7 . 3 = 21 )
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22 =
22 ( 22 . 1 = 22 )
1 ( 22 . 1 = 22 )
2 ( 11 . 2 = 22 )
11 ( 11 . 2 = 22 )
1 3 1