File Urls
"{\"id\":19008,\"type\":\"document\",\"url\":\"https:\/\/biteducation.easyedu.vn\/sites\/default\/files\/easyschool\/upload\/2026\/10\/btvn_van_b2.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
BTVN B2
Created by
be3ffb65-6cdc-493a-967b-2e872bfaeb09