co len cac ban oi!con 5tuan nua la chung ta buoc vao ki thi quan trong nhat sau 3nam h0c day!thay mon nao cung cang thang het,mon thay cuong thi co cac de mau de giai con duco ,mon co Ngoc Anh thay kho an diem qua .chung ta hay doan ket lai cung vuot qua ha!chuc cac ban thanh cong