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若存在 $a_1,\dots,a_k\inZ$ 使得 $\left(m_1+n_1 i\right)^{a_1} \ldots\left(m_k+n_k i\right)^{a_k}\inR$,则 $a_1=\dots=a_k=0$.
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2025-7-21 13:49 GMT+8
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