_:nce85f84b7a154d1984ba8177e43bd425xb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://diendan.hocmai.vn/threads/1229-va-664579-so-nguyen-to-dau-tien-cac-so-nguyen-to-dau-tien-duoi-10-trieu-va-10-nghin.866522/>