ISBN: 9787557502331 - 阶梯数学(2-6岁第3阶3) (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2015-10-01 Publisher: Jilin Fine Arts Publishing House ladder mathematics 1-5 Order (set of 15) in accordance with Deep in the order from low to high is divided into five stages. step by step the pre-school children should learn and master mathematical knowledge in this arrangement among the five stages. Each stage 3. through different forms of the game repeated training. and gradually consolidate and improve children's math skills. Ladder mathematics fir.…