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La deuxième façon dont le boulier permet d'apaiser le stress sur leur mémoire
the abacus remains a reliable advantage for any student who uses it
The abacus is a prime example of Chinese philosophy aiming to simplify complex devices
il s’adapte à tous les usages
serious studies have shown that students aged 9 and under struggle to visualize abstract elements like arithmetic
Boulier en bois avec cartes de calcul - 10 rangées Boulier-chinois La deuxième façon dont leFeatures Size: 21 x 24 x 6. 3 cm Made from Hevea wood The familiar Western abacus is the easiest abacus configuration for younger children to grasp. This wooden abacus offers a simple yet tangible introduction to the world of arithmetic. With its sturdy wooden construction, it is both durable and environmentally friendly. Bright and attractive colors created with non toxic paint and varnish. Rustic, high quality craftsmanship built to withstand even
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