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He conceived the first proof that the 17 - sided polygon is constructible.
他构思了17边形可以作图的第一个证明。
youdao
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He conceived the first proof that the 17-sided polygon is constructible.
他构思了17边形可以作图的第一个证明。
youdao
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He conceived the first proof that the 17-sided polygon is constructible.
他构思了17边形可以作图的第一个证明。
youdao