Respostas

2013-07-11T13:50:47-03:00
(16:4+5)+(12:3.3)
=(4+5)+(4.3)
=9+12
=21
1 5 1
A melhor resposta!
2013-07-11T16:22:51-03:00
(16 : 4 + 5) + (12 : 3 x 3) =(4 + 5) + (4 x 3) =9 + 12= 21

1 5 1