Odpowiedzi

2009-11-30T18:09:45+01:00
A) _
C H _CH-CH-CH3
_ I
CH3

b
_
CH3-CH _CH-CH-CH2-CH2-CH3
_ I
C2H5

CH3
C) _ I
CH3-C _ C-C-CH3
_ I
CH3
1 1 1