1) CH2=CH-CH2-CH3 2) CH3-CH=CH-CH3
3)CH2=CH-CH2-CH3
4) CH2=C-CH3
\
CH3
5) CH3-CH=CH-CH3
6) CH2-CH2
\ \
CH2 - CH2
7) CH3 H
\ /
C=C
/ \
H CH3

8) H H
\ /
C=C
/ \
CH3 CH3

Kyrylo13    1   05.12.2021 12:20    0