Link đáp án chương trình 2018: https://drive.google.com/drive/folders/1-Ielgh4yTFWf1SEQutdGm6rDWieQjKW6?fbclid=IwY2xjawLXE9pleHRuA2FlbQIxMABicmlkETFVMFpYNXY0anZFOUhIU2NkAR7oL-iv9lOiuE4BYUo-YkS_FTNgJTGEdTayGS3MXxGqYB7XtZelz-oqhHYtbA_aem_e4jgTmT3rGvU6PNl2MZVlw
Link đáp án chương trình 2006: https://drive.google.com/drive/folders/19V3Cp2DqjXMWQ5Ubi6vja-AIO073URnh?fbclid=IwY2xjawLXE9hleHRuA2FlbQIxMABicmlkETFVMFpYNXY0anZFOUhIU2NkAR4XFEPiJgUIaqW5pkfC6ty6zxw9ahgUeJC1-gBTeevBIjlpA-Ee5KMTFUcfNQ_aem_BzAsAxmVcBf5iDOJR-ekug