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Google圖書搜尋
Quan ri zhi shi nian zhi xue xiao xiao xue ke ben shi yong ben shu xue, di 1 ce (Mathematics trial textbook
comp. (Primary and Middle School Mathematics Textbook Compilation Group Zhong xiao xue tong yong jiao cai shu xue bian xie zu (comp.))
其他書名
Full day ten-year primary school textbook, volume 1).
出版
Beijing chu ban she (Beijing Publishing Company)
, 1979
URL
http://books.google.com.hk/books?id=HSmqMQAACAAJ&hl=&source=gbs_api