�国汉代数学家赵爽为了证明勾股定理创制了一幅“弦图 后人称其为“赵爽弦图 .图2由弦图变化得到它是用八个全等的直角三角形拼接而成记图中 Template




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tomski�国汉代数学家赵爽为了证明勾股定理创制了一幅“弦图 后人称其为“赵爽弦图 .图2由弦图变化得到它是用八个全等的直角三角形拼接而成记图中 coloring