9787302566359 - 正版 火花数感分级培养第五级大数加*法 分级培养第5级20以内加*法 亲子共读数感启蒙送课程 火花思维研发中心著 清华大学出版社 (1 resultados)
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Librería: liu xing, Nanjing, JS, Chinaliu xing
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 91,67
Envío por EUR 15,77Se envía de China a Estados Unidos de AmericaCantidad disponible: 3 disponibles
paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2021-01-01 Pages: 240 Publisher: Tsinghua University Press Some children have low calculation accuracy. low speed. and carelessness. The root cause is that they do not have a good number sense foundation.?This book Spark Number Sense Hierarchical Training Level 5:…Addition and Subtraction of Large Numbers starts from the calculation within 20 without advancing and retreating. gradually increasing the difficulty. and has a deep understanding of two-digit a.
