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一、孙子问题《孙子算径》是我国唐初的“算学”教科书,分上、中、下三卷.其下卷第26题是一个闻名世界的数学问题.这个问题有人称为“孙子问题”.即“今有物不知其数,三三数之剩二,五五数之剩三,七七数之剩二,问物几何?”用现代话来说是:今有一堆东西.不知它的数量.如果三个三个地数最后剩二个,五个五个地数最后剩三个,七个七个地数最后剩二个.问这一堆东西有多少个?
First, the grandson problem “grandchildren” is the “calculus” textbook of the early Tang Dynasty in China. It is divided into upper, middle, and lower volumes. Its 26th volume is a world-famous mathematical problem. This problem is known as the “grandson problem.” “Ie there is something unknown today, the balance of the three or three numbers, the remaining number of five or five, the second of the seventy-seven number, the geometry of the matter?” In modern terms, it is: There is a pile of things. I do not know Its number. If there are three left and three remaining lands, five and five lands are left at the end, and seven and seven lands are left at the end. How many are there for this pile of things?