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Desenvolve as tuas competências com números, um bloco de cada vez.
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First volume: full price. Second: −30%. Third and following: −50%.
One-time purchase
60 puzzles with solutions in a downloadable PDF collection. Edition: Português (Portugal).
60 pirâmides numéricas para imprimir, com soluções. Cada bloco é a soma dos dois blocos imediatamente abaixo. PDF para descarregar; não é enviado qualquer livro físico.
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Product descriptions and files keep their original language. Check the free PDF sample before buying.