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一、“弦图”证法赵爽又名婴,字君卿,三国时吴国人.他在读了《周髀算经》后,深为此书的数学内容所折服,又恐怕后人不能彻底理解其中的深奥道理,于是就动手对它作了全面的注释和阐述.其中给出的《勾股圆方图》和《勾股圆方图注》,便是对勾股定理的一个严格而又巧妙的证明.《勾股圆方图注》一开首就说:“勾股各自乘,并之为弦实.开方除之,即弦.”这实际
One, “string map ” card method Zhao Shuang also known as the baby, the word Jun Qing, Wu Guoren when the Three Kingdoms.He was reading the “Book of Changes”, deep for the mathematical content of this book is impressed, and I am afraid that posterity Can not fully understand the profound reasoning in it, and then made a comprehensive comment and elaboration on it.The “Pythagorean Pyramid Chart” and the “Pythagorean Pyramid Schematic Diagram” are given as a reference to the Pythagorean Theorem Strict and ingenious proof. “Pythagorean note” at the beginning of the opening said: "Pythagorean each multiply, and the string is solid.