Respostas

2013-07-12T19:49:49-03:00
A)55x52=2860
b)34/32= 1,06
c)82/2=41
d)5-3=2
2013-07-12T20:13:32-03:00
A)55 x 52 = 2860
b) 34/32= 34: 32= 1,0625
c) (82)2 = 82.2 = 164
d) 5-3 = 2