Назовите вещества
а)СH3-CH2-CH2-CH-CH3
l
CH3
б)CH3-CH2-CH2-CH-CH3
l
C2H5
в)CH3-CH-CH2-CH2-CH3
l
C3H7
г)CH3-C-C2H5
/
H5C2 C3H7
д)C2H5-CH-C2H5
l
С3H7
е)CH3-CH-C2H5
l
C3H7-CH-C2H5