ISBN: 9787537653343 - pupils math problems port operator card grade 6 (jiangsu edition) volume of new curriculum standard sync port operator training. mental arithmetic. speed ??calculation. a simple calculation haidian most revisions(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2015-1-1 Pages: 140 Publisher: Hebei Children's Publishing This set of math problems port operator card is our organization has extensive experience in teaching teachers and researchers jointly prepared according to the latest materials. The title card textbook knowledge conduct a comprehensive. systematic optimization of the design and layout combinations. and followed the progress of teaching. can rapidly improve primary port operator. mental arithmetic. …