ISBN: 9787539740140 - pre-subtraction practice (vol.1)(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pages Number: 64 Language: Chinese. Publisher: Anhui Children s Publishing House Pub. Date :2009-08-01. series of black eyes and practice of pre-subtraction practice (Vol.1): 10 or less. 20 less than subtraction strict to follow the law of intellectual development of children. promote education. new ideas and writing. creative thinking for children. children to achieve full frame.…