Shu Xue Xiao zi ma Xiao tiao (4 ce) Shu Xue Le Fan Tian = Math Fun Edited by Yang Hongying -- Changchun Jilin Fine Arts Publishing House 2015

192 pages illustrations 23cm

ISBN:  9787538695670

1. Mathematics -- Children's fiction 

I. Yang, Hongying, 1962- editor 

C