1

{"id":13927,"type":"document","url":"https://biteducation.easyedu.vn/sites/default/files/easyschool/upload/2026/06/tai-lieu-on-thi-tot-nghiep-thpt-2026-mon-toan-nguyen-huu-chung-kien.pdf","width":null,"height":null,"thumbnail":"https://biteducation.easyedu.vn/sites/all/themes/easyedu/images/pdf-large.png","name":"tai-lieu-on-thi-tot-nghiep-thpt-2026-mon-toan-nguyen-huu-chung-kien.pdf","isShown":false}

{"id":13928,"type":"document","url":"https://biteducation.easyedu.vn/sites/default/files/easyschool/upload/2026/06/tom-tat-ly-thuyet-on-thi-tot-nghiep-thpt-mon-toan-ngo-duc-tai.pdf","width":null,"height":null,"thumbnail":"https://biteducation.easyedu.vn/sites/all/themes/easyedu/images/pdf-large.png"}