速发可开发票小学口算速算天天练 一1二2三3四4五5六6年级上册 通用版 口算笔算变式算数学思维拓展训练 同步教材知识检测训练题【博睿好书】任选 - Tapa blanda

I count little champion: Primary Mathematics port operator quick calculation exercises every day (book with the sixth grade R version)(Chinese Edition)

paperback. Condición: New. Pub Date: 2014-08-01 Pages: 88 Language: Chinese Publisher: Guangdong People's Publishing House computing teaching. let the students understand the rationale. based on the count. master rule calculation methods. Among them. get liquidation management is the key. By sense observation - the formation of representation - abstraction three stages of learning and corresponding exercises allow students to get both liquidation management. and master the rules to ensure the correctness of the calcula. Nº de ref. del artículo: BZ039392

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