Составьте структурные формулы
1.CH3 - CH - CH - CH2 - CH3 | | CH3 CH3 2. CH3 - CH - CH - CH -CH2-CH2-CH2-CH2-CH2-CH3 | | | J C2H5 CH3 3. CH2 - CH - CH - CH3 | | | Br CH3 CH3 4. CH3 CH3 CL | | | CH3 - C - C - CH - CH - CH2 - CH2 - CH2 - CH3 | | | CH3 CH3 CH3