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il est à la fois solide dans le temps et respecte l'environnement
Primo est que l’enfant n'aura plus à mémoriser les réponses aux exercices de maths
adapté aux débutants comme aux amateurs exigeants
Why an Abacus
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Boulier chinois en bois - 15 rangées - noir Boulier-chinois il est à la foisFeatures 42. 6 x 17. 1 x 3 cm Made from solid wood Black painted finish with satin varnish This Chinese abacus features a finely crafted solid wood construction highlighted by a smooth black satin finish. It is very pleasant to use and also serves as an attractive decorative piece. How Does a Chinese Abacus Work? The Chinese abacus is an excellent tool to improve math skills. It helps practice basic operations, fraction decomposition, and mental
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