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ISBN 10: 7534447852ISBN 13: 9787534447853
Librería: liu xing, Nanjing JiangSu, JS, China
Libro
paperback. Condición: New. Paperback. Pub Date: 2012 09 Pages: 35 Language: Chinese in Publisher: Jiangsu Fine Arts Publishing House pig jingle mathematical roulette: multiplication is a set of unique learning math toys. books. digital multiplication and roulette process The perfect combination of technology. so boring math fun and full of kids so in love with math. it is a toy to cultivate children's interest in mathematics book. Roulette books guide children math game activities to improve children's cognitive arithm.