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Wikipedia写道: 所有代数数的集合构成一个域,称为代数数域(与定义为有理数域的有限扩张的代数数域同名,但不是同一个概念),记作$ {\mathcal {A}} $或$ {\overline {\mathbb {Q} }} $,是复数域$ \mathbb {C} $的子域。
(x + (-1.414213562373095?)*y) * (x + 1.414213562373095?*y)
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2025-7-20 05:51 GMT+8
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