Respostas

2014-05-14T23:15:59-03:00
Acho que é 21,3 pq 64/3 = 21,3..
1 1 1
2014-05-14T23:16:27-03:00
X . 3 = 64
3x=64
x= 64/3
x=21,33...
1 1 1