Nogometna lopta i ikosaedar

Auteur:Šime Šuljić, Vincent Pantaloni

Odsijecanjem ikosaedra nastaje nogometna lopta. Ikosaedar ima 20 strana i 12 vrhova. Koliko je peterokuta i šesterokuta na nogometnoj lopti. Vrijedi li Eulerova formula?

Nieuw didactisch materiaal

函數的單調性
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Ontdek materiaal

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