13 целых 3/4 + ( 3,25-1целая1/3*2,01)
39/4+(3,25-2,01*1/3) 9,75+(3,25-201/100*1/3) 9,75+(3,25-67/100) 9,75+(3,25-0,67) 9,75+2,58=12,33