说明了用组合分析方法证明代数恒等式的有效性和实用性。

It shows the effectiveness and practicability of the approach to prove algebraic identies with combinatorial analysis.

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说明了用组合分析方法证明代数恒等式的有效性和实用性。

It shows the effectiveness and practicability of the approach to prove algebraic identies with combinatorial analysis.

youdao