mot xi nghiep co 2 loai o to : o to du lich va o to buyt . so no to du lich bang 2 phan 9 so o to buyt . ve sau xi nghiep doi 3 o to buyt de lay 3 o to du lich nen so o to du lich bang 1 phan 3 so o to buyt . tinh xem xi nghiep co tat ca bao nhieu o to