File Urls
"{\"id\":12811,\"type\":\"document\",\"url\":\"https:\/\/biteducation.easyedu.vn\/sites\/default\/files\/easyschool\/upload\/2026\/05\/toan09_chuong_2_bai_4_btvn.pdf\",\"width\":null,\"height\":null,\"thumbnail\":\"https:\/\/biteducation.easyedu.vn\/sites\/all\/themes\/easyedu\/images\/pdf-large.png\"}"
Lecture Type
Bài tập về nhà
code
TOAN09_BTVN
Created by
fd1c9b97-baf5-4759-b0a5-9de034e28e6d