The balance C/F and B/F is tally , the FA list you refer is Dec 2015 and this is not possible to tally back the C/F amount since last year have some addition and disposal.
If you look at the Aug 2015 FA list, the C/F & B/F is tally . The B/F amount is THB 25,640,106.80 and Aug 2015 FA list show THB 25,653,106.80 as in Aug 2015 have THB13k addition.