ISBN: 9787510450037 - primary mathematics math pyramid series 900 provides excellent title: third grade(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Pub Date: 2014-06-01 Pages: 204 Language: Chinese Publisher: New World Press 1. Looking to fill several law (1) 2. Law to find the number of fill (2) 3. Qiao fill several bursts of 4. Horizontal numbers riddle 5. Vertical digital puzzle 6. Matchstick game 7. Addition simple calculation 8. Gauss summation 9. Subtraction simple calculation 10. Change the order of 11 addition and subtraction operations. Qiao fill Operators (1) 12. Qiao fill Operators (2) 13. A simple calculation of 24 points 14.…