疏远天际
发表于 2025-3-26 22:51:52
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领巾
发表于 2025-3-27 02:15:24
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微尘
发表于 2025-3-27 08:01:17
Christopher BaltusGives the necessary geometry to readers of limited background.Provides reader with a general history through the mid-nineteenth century.Features a proof-based treatment
Vertical
发表于 2025-3-27 11:52:25
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同来核对
发表于 2025-3-27 14:24:30
Incestuous Sibling Relationships: , and , The collineation is . if there is a ., a point . where all lines on . are fixed, meaning the line is mapped to itself, although individual points on the line need not be fixed. We have seen that a collineation is central exactly when it has a line of fixed points, an ..
个人长篇演说
发表于 2025-3-27 20:58:55
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都相信我的话
发表于 2025-3-27 21:59:15
Siblings in Childhood and Adolescence, concept appeared in the work of Desargues, although the name was first used by L. Carnot in 1803. That it produces a harmonic set was recognized by La Hire in 1685. Its dual, the ., is a different way of viewing the same figure. (In the period we cover, the figure was always called a complete quadrilateral.)
不可磨灭
发表于 2025-3-28 05:19:52
https://doi.org/10.1057/9781137316905celet wrote in his 1822 ., Art. 446: “Although the properties of foci (.) …seem to not be among those we have called ., …they follow nevertheless in a very simple manner from foundational principles ….”
小母马
发表于 2025-3-28 07:55:06
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Inflated
发表于 2025-3-28 10:31:21
978-3-030-46289-5The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerl