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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
Building Parallelograms with Set Areas
Regular Polygons and Equivalent Triangles
Building Trapezoids with Set Areas
רישום חופשי
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Discover Resources
Transformations 3
Shawver Period #7 Aidan Duncan
การบวกจำนวนเต็ม
Challenge 23
Discover Topics
Real Numbers
Dilation
Circumcircle or Circumscribed Circle
Coordinates
Incircle or Inscribed Circle