Hoc nghe IT, truoc nhat phai: 1-dam me, 2-gioi toan to hop va roi rac, ly thuyet so, so hoc, 3-doc hieu English, 4-etc...., gioi toan kieu tich phan, luong giac, phuong trinh nay no, thi khong goi la toan IT dau, nhieu tml hoc giai tich 1-2-3, duoc 8-9 diem, hoc toan roi rac, thi nat bet.