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1.The Reckoning by the Abacus to Pass the Grade and the Psychology of Wallenda
珠算通级与瓦伦达心态收藏指正
2.Suan Fa Tong Zong and Reckoning by the Abacus
《算法统宗》与珠算收藏指正
3.In this paper the author points out the algorithm of reckoning by the abacus in SUAN FA TONG ZONG, focuses the analysis of the new algorithm, and expounds the importance of the algorithm in researching and teaching of reckoning by the abacus.
指出了《算法统宗》中所含的珠算算法,重点分析了其中的新的珠算算法,并阐明了这些算法在珠算研究与教学中的意义.收藏指正
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