Relaxed and happy every day I count mental arithmetic exercise books fast calculation: 3 year (Vol.1) (Beijing Normal University class standard version)(Chinese Edition)

Port operator paperback. Pub Date: October 2011 of Pages: 90 Language: Chinese in Publisher: Changchun Publishing House mental arithmetic. count: 3 year (Vol.1) (Beijing Normal University Curriculum Standard Edition) for the knowledge Mathematical Olympiad questions for science-based port operator has spare capacity or students interested in Mathematical Olympiad practice. The Contents: Multiplication and Division (Training 1 to 16). the two observed objects (training 17 to 20). three kilograms. grams. tons (training 21 to 26). multiplication (training 27 to 44) interim compliance test (a) (Training 45) total review of the interim compliance test (b) (Training 46) Five circumference (training 47 to 54) and six division (training 55 to 70) for seven years. months. days (training 71 to 76) August the possibility (training 77 to 80) (training 81 to 88) the end of the compliance...