X= 86B) X= BCNN (8, 1B) X= BCNN (8, 1

2) - HOI THAO DOI MOI KIEM TRA DANH GIA THUC DAY DOIMOI PPDH
HOI THAO DOI MOI KIEM TRA DANH GIA THUC DAY DOIMOI PPDH

2) x= 86

b) x= BCNN (8, 12)