Isbn: 9787535663788 - 全5册宝宝蛋小白兔童书馆 学前准备100分 口算心算 口算练习 小学生算数教辅书学数学算术幼小衔接幼儿园小学入学准备练习辅导书籍 (1 resultados)

paperback. Condición: New. Paperback. Pub Date :2013-07-01 Pages: 62 Language: Chinese Publisher: Hunan Fine Arts Publishing House series of books on multiple intelligence training program: port operator mental arithmetic speed calculation reasonable layout. flexible design questions. on the middle of difficulty. for further enhance the training of our port operator. mental arithmetic. simple calculation. and fast calculation capability is very practical and effective. We can facilitate mastery of the knowledge and con.…