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段育华周元瑞合编:“算学辞典”(1938年5月商务版)圆束条:“圆束之名,见宋秦九韶‘数书九章’.杨辉‘田亩比类乘除捷法’中,名曰圆箭.…,乃以圆物束成六角柱形也…”. 许莼舫著:“中算家的代数学研究”(1953年3月开明版),第27页所载:“[题二]圆箭束外围30枝,问共箭几枝?答:91枝. 圆箭束实际是六角箭束,….”宋景昌撰:“数书九章札记”卷四(“丛书集
Duan Yuhua Zhou Yuanrui eds.: “Dictionary of the Study of Mathematics” (May 1938 Business Edition) Round Bundle: “The name of the circle beam, see Song Qin Jiuxie’s number 9 chapters’. The circular arrow ...., is a circular beam bundled into a hexagonal column also ...”. Xu Xie: “Algebra Study of the Chinese Calculator” (Open Edition, March 1953), page 27: “[Title 2] The circle of arrows is surrounded by 30 branches and asked a total of several arrows? A: 91. The circle of arrows is actually a hexagonal arrow beam, ....” Song Jingchang essays: “Notes on the Chapter of Numbers 9” Volume 4 (“Collection of books”