9787565032950 - 儿童珠心算简易教学法（下册） (1 risultati)
- Brossura
Da: liu xing, Nanjing, JS, Cinaliu xing
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 54,85
EUR 15,42 spedizioneSpedito da Cina a U.S.A.Quantità: 5 disponibili
paperback. Condizione: New. Paperback. Pub Date: 2017-02-01 Pages: 165 Language: Chinese Publisher: press with abacus. hefei university of technology is short for the abacus mental calculation type. also called brain fast. it is the number a calculate bead symbol emerged in the human mind. and according to the principle of the a…bacus arithmetic for addition. subtraction. multiplication. and division of a way of calculation. it not only has fast computing function.
