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NASAKSN - El Cero (2003)
De donde viene el cero?

Genre: Educational
Keywords: Julieth; Número; Number; Griego; Greek; Maya; Cero; Zero; Matemáticas; Math; Negativo; Negative; Centroamerica; Central America; Noticiencias; Noticias Cientificas; Kids' Science News Network;
Duration: 00:00:58
Popularity (downloads): 1558
 
NASAKSN - Los Numeros Negativos (2003)
Que son los numeros negativos?

Genre: Educational
Keywords: Daniela; Cero; Zero; Termometro; Thermometer; Positivo; Positive; Negativo; Negative; Menor; Lesser; Mayor; Greater; Número; Number; Noticiencias; Noticias Cientificas; Kids' Science News Network;
Duration: 00:00:58
Popularity (downloads): 1533
 

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