Isbn: 9787535339454 - galaxy open the door to future fun math story(chinese edition) (1 risultati)

paperback. Condizione: New. Language:Chinese.Pages Number: 171 Publisher: Hubei Children's Pub. Date :2008-01-01 version 1. Yuan Garden in the round. the number and Xiaowen Zhang's help. Xiaoguo Wang finally led scientists to design a new computer is no longer against the human . But this time round Yuan Garden. the number and Xiaowen Zhang can not find the channel into a time machine. At this time. they need to be updated more mathematical knowledge and problem-solving skills to help themselves back to reality . . .…