Respostas

2013-12-05T00:50:29-02:00
1/3 de 30 = 30/3 = 10
2/5 de 40: 40/5 = 8. 8x2 = 16
2 2 2
2013-12-05T01:03:12-02:00
1/3 de 30:
30/3
10



2/5 de 40
(40/5)2
8.2
16