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聯動鐘面（教師版）
Author:
Mr Tsang
請轉動分針上的小點，以移動分鐘。
GeoGebra
New Resources
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Reflection across a line
Shells
Reflection = 180° Rotation about a Line
Circle Passing Through 3 Points
Discover Resources
Ostrosłupy
Exeter Geo Course - Gerry
SSA
Slopes From Points and Lines
Angle to Triangle
Discover Topics
Unit Circle
Special Points
Rhombus
Secant Line or Secant
Algebra