Respostas

2014-05-19T14:12:23-03:00
A) 1+2/2= 3/2= 1,5 e 2+4/2= 6/2=3 (1,5 e 3)
b) 3+2/2= 5/2= 2,5 e 5+(-3)/2= 2/2=1 (2,5 e 1)
c) -1+(-3)/2= -4/2= -2 e -1/2+3/2/2= 1,7 (-2 e 1,7)
d) -3+3/2= 0 e 5+(-5)/2= 0 (0 e 0)
e) 4+10/2= 14/2= 7 e 10+(-4)/2= 6/2=3 (7 e 3)
f) 3+3/2= 6/2= 3 e -4+2/2= -2/2= -1 (3 e -1).