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GeoGebra
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Object to image Distance
Author:
optowiki.info (Michael Schaefer)
GeoGebra
New Resources
Angles and Intersecting Lines: Quick Investigation
Introduction
"Compressed" Astroid as Envelope
Cross Product in 2D and 3D
Bottema's Theorem
Discover Resources
Sketch
logo 1
balloon 3
inscribed angles
[洋葱] 构造辅助圆-上Q1
Discover Topics
Statistics
Arithmetic
Constructions
Addition
Prism