NV TieuQuai...ID efpjtan..vao hoi 3h..co mua w2 dw 3%hp =30k vcen.....mua Xong NV nay dem w2 dw vs 50k vcen de vao hom do^`.roi di cay rs.1 luc sau quai lai.thi ko thay w2 vs 50k vcen vua de vao dau nua.mong ADm Giai quyet