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GeoGebra Lesson
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GeoGebra Lesson
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Question 1
Author:
Shum Kwok Ching
GeoGebra
New Resources
Nested spiral octagon
中華民國國旗 (Codex╱2026.10.06)
Earth with coastline
三半圓間的相切圓(Codex╱2026.10.07)
四邊形的特性
Discover Resources
數學電腦繪圖與解題
了解圓方程(2)的副本
变化的三角形的垂心.许兴华数学
六边形的向外迭代
剪切成正三棱柱（制作：李三军，修订：孟宝兴）
Discover Topics
Equilateral Triangles
Parallelogram
Special Points
Geometry
Tree Diagrams