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任務1的副本
Author:
xiaodandan
,
gklwong
GeoGebra
New Resources
近似值：有效數字
長方體平面投影 (Codex版)
Nested spiral octagon
找出對稱軸
Fibonacci Clock
Discover Resources
動國旗
HKMO 2013 Question 3 Demonstration (Geometric Construction)
體積的量度 4
DSE Circle-ACT03C Relationship Between Arcs and Angles at Circumference
折長方形 62326虹圻
Discover Topics
Median Line
Solids or 3D Shapes
Parabola
Secant Line or Secant
General Quadrilateral