File Urls
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"{\"id\":12799,\"type\":\"document\",\"url\":\"https:\/\/biteducation.easyedu.vn\/sites\/default\/files\/easyschool\/upload\/2026\/05\/ghi_chep_de_toan_dien_9_so_21_0.pdf\",\"width\":null,\"height\":null,\"thumbnail\":\"https:\/\/biteducation.easyedu.vn\/sites\/all\/themes\/easyedu\/images\/pdf-large.png\"}"
Lecture Type
Bài học
code
TL trước buổi 29-5-2026
Created by
d1241228-0e02-4dd8-b35d-6733a4cd3d82