The Yuelu Edition Compulsory 3 "Comprehensive Inquiry: Solving the" Needham Puzzle "" ppt "Nine Chapters Arithmetic" contains 246 mathematical problems, divided into nine chapters. Their main contents are as follows: Chapter 1 "Fang Tian": Calculation of Field Area; Chapter 2 "Corn": Proportional Conversion of Cereals and Grains; Chapter 3 "Fade": Proportion of Distribution; Chapter 4 " "Shaoguang": Knowing the area, volume, and the length of one side and the length of the diameter, etc .; Chapter 5 "Shang Gong": Geotechnical Engineering, Volume Calculation; Chapter 6 "Every Loss": Reasonable Tax Distribution; "Insufficiency": the double-question problem; Chapter 8 "Equation": a linear equation problem; Chapter 9 "Pythagorean": various problems solved using the Pythagorean theorem.
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