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Author: By Zhang Cang

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Nine Chapters of Arithmetic By Zhang Cangcompleted "Nine Chapters on Arithmetic" is extremely rich in content, summarizing all the mathematical achievements in China from the Pre-Qin Dynasty to the Han Dynasty. It is the first self-contained mathematical masterpiece in ancient China and even the East. The book is divided into nine chapters, containing a total of 246 mathematical problems and providing their solutions. Each problem consists of three parts: question, answer, and technique. These algorithms are more than 1,500 years earlier than si —Reads9.2Score—Shelves