게시된 위치 United States 공개토론
https://www.youtube.com/watch?v=c0VoPjswez4
https://www.youtube.com/watch?v=7M6_p-mePcg
Bachillerato matematicas
게시한 사람 John Smith 속 United States 공개토론
Pagina buenisima
https://sites.google.com/site/franciscojosecarmonareina/