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The Significance of Cao Chong's Using Symbolism to Introduce Equation
A way of thinking that transforms complex problems into simple ones.

The story of an elephant in Cao Chong also illustrates how to solve problems with known information. In the story, Cao Chong used the draft of the boat and the weight of the stone to measure the weight of the elephant. Similarly, in mathematics, it is often necessary to use known information or conditions to solve unknown problems. For example, when solving an equation, we need to use the known part of the equation to find the unknown value.