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ont un penchant à retenir les problèmes et non développer des méthodologies pour les résoudre
they no longer need to memorize arithmetic exercise answers
Size: 25 x 20 x 3 cm
Using the abacus aids students’ memory in two ways
Boulier en bois girafe - 10 rangées Boulier-chinois ont un penchant à retenirFeatures Size: 26 x 21 x 9 cm 0. 7 Kg All wood construction, plywood side panels The popular school abacus is the easiest configuration for younger children to grasp. It provides a simple yet effective introduction to mathematics. With high quality wooden craftsmanship, it is both durable over time and environmentally friendly. Bright, attractive original colors with non toxic stain and varnish. A robust design built to withstand the wear and tear
