放牧
发表于 2025-3-23 10:05:06
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疲劳
发表于 2025-3-23 17:15:19
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daredevil
发表于 2025-3-23 19:54:40
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Chameleon
发表于 2025-3-23 23:33:12
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松软
发表于 2025-3-24 04:18:16
https://doi.org/10.1007/978-3-319-42863-5Delian problem; straightedge and compass; ruler and compass; GeoGebra; neusis; circle quadrature; duplicat
阴谋
发表于 2025-3-24 09:45:10
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技术
发表于 2025-3-24 14:14:52
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anesthesia
发表于 2025-3-24 17:55:07
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BAIL
发表于 2025-3-24 21:31:41
The Cinderella of regular polygons, is not constructible using compass and straightedge methods. In what follows, we will guide you through the proof of this non-constructibility..We call this configuration Viète’s ladder. Viète used this configuration to calculate the edge of a regular heptagon.
鞠躬
发表于 2025-3-24 23:44:35
Mostafa Norouzi,Somayeh KhademiWe introduce Interactive Geometry Systems (IGS) and how to work with them. In particular we explore the Trace and Locus commands and the way to use polar coordinates. Carefully chosen exercises r let the reader become acquainted with his favourite IGS.