minh can doi set TT 3op 4op 5sk kham ngon 5vien lv5 con toan lv4 2vien lv3 = set HL 2op 3op ngon bat ky nhe . ai co nhu cau thay doi? kieu thi alo 0978 09 07 06 sms nhe , NV LenhSatThu sv HT