Respostas

2014-03-26T16:10:11-03:00
A) =9 +36 = 45
b) = 9 + 25 = 34
c) = - 8 -(-1) = -8 +1 = -7
d) = 625 - 81 - (-1) = 625 -81 + 1 = 545
e) = 100 +3 = 103
f) = 5 . 9 + 1 - 1 = 45 +1 - 1 = 45