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dsProject/dsRag/Txt/processed_chunks/1003.txt

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4 weeks ago
现在我们知道，这个关系可以用符号表示为
a2 + b2 = c2，
其中a和b分别表示两条直角边长，c表示斜边长。可以看到，这样的表达既简洁又确切，从中可以充分体会到利用符号表达公式的意义。