Sur une feuille à petits carreaux on fait un carré de 3 carreaux
On fait 2 autres petits carreaux
Maintenant on dessine le cube en 3D -le cube manquant
On fait ensuite le cube manquant
Puis on colorie les faces comme sur le dessin
Regardez le cube il change de forme!!!
J'ai fait le modèle en 3D pour mieux voir le carré qui manque ou qui sort.
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