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我们都听过曹冲称象的故事:曹冲借助大船这种工具,把不可分割的大象转化成与之重量相等,并且又可以分而称之的石头,从而巧妙地解决了曹操所提出的问题。曹冲称象的方法实际上就是一种转化法。这种方法在数学中的运用更为广泛。
We have all heard the story of Cao Chong: Cao Chong cleverly solved the problems raised by Cao Cao by means of ships and vessels, transforming the indivisible elephant into an equally-weighted and divisible stone . Cao Chong said the method of image is actually a conversion method. This method is more widely used in mathematics.