mk tính đc 39
CH3[CH2]5CH3 => có 4sp
CH3CH(CH3)[CH2]3CH3 => 6sp
CH3CH2CH(CH3)CH2CH2CH3 => 7sp
CH3CH2CH(C2H5)CH2CH3 => 3sp
CH3CH(CH3)CH(CH3)CH2CH3 => 6sp
CH3CH(CH3)CH2CH(CH3)CH3 => 3sp
(CH3)3CCH(CH3)2 => 3sp
(CH3)3CCH2CH2CH3 => 4sp
CH3CH2C(CH3)2CH2CH3 => 3sp
=> 39sp
k bt mk sai chỗ nào nữa, nhờ bn chỉ giúp mk cái