Sixth grade. On - with one to teach - I count mental arithmetic calculation simple calculation speed computational problems every day card - New Curriculum(Chinese Edition) - Tapa blanda

Port operator mental arithmetic speed operators simple calculation every day count (Grade 6) (New Curriculum with people to teach)(Chinese Edition)

paperback. Condición: NEW. Paperback. Pub Date: 2010 05 of Pages: 132 Language: Chinese in Publisher: Jilin Education Press mental arithmetic speed port operator operator clever operators every day count (6) (New Curriculum with people to teach) is based on the nine-year compulsory education latest curriculum standards prepared. Training in computing power. improve processing speed. Child smarter!. Nº de ref. del artículo: CC016763

Contactar al vendedor