Respostas

2013-08-22T14:50:36-03:00
A)3/7
pois 21/7=3 e 49/7=7

b) 1/4
pois16/16=1 e 64/16=4

c)1/3
pois27/27=1 e 81/27=3

d)8/9
pois 32/4=8 e 36/4=9
2 3 2
2013-08-22T15:15:44-03:00
A)3 e 7
B) 1 e 4
C) 1 e 3
D) 8 e 9
1 5 1