Respostas

2014-07-16T20:53:32-03:00
30, pois 30/2= 15, 30/3=10, 30/5=6
2014-07-16T20:54:40-03:00
O número 30 !
30 : 2 = 15 
30 : 3 = 10
30 : 5 =6