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Progresse en calcul, une brique après l’autre.
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Choose your volumes
First volume: full price. Second: −30%. Third and following: −50%.
One-time purchase
60 puzzles with solutions in a downloadable PDF collection. Edition: Français.
60 pyramides de nombres à imprimer avec leurs solutions. Chaque brique contient la somme des deux briques du dessous. Fichier PDF à télécharger, sans livre physique.
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Product descriptions and files keep their original language. Check the free PDF sample before buying.