... dx,tb3 int 21h add bl,cl shr bl,1 jc nhay;neu so day ra la so 1 thi chung to tong la 1 so le.nguoc lai tong la 1 so chan add bl,30h mov ah,2 mov dl,bl int 21h jmp thoat nhay: ... start:jmp over tb1 db 10,13,'Nhap 1<=N<=5 :$' tb2 db 10,13,&apos ;tong tu 1 den N la:$' tong db 0 over: mov ah,9 lea dx,tb1 int 21h mov ah,1 int 21h cmp al,'1' ... ja over mov cl,1 sub al,30h tinh: add tong, cl inc cl cmp cl,al ja qua1 jmp tinh qua1: mov ah,9 lea dx,tb2 int 21h mov bl ,tong cmp bl,9 ja qua add bl,30h;doi thanh...