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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
רישום חופשי
Area Between Two Curves
random coprime pairs
montecarlo circles 1
Billard V5.2 and V6
Discover Resources
Kathodenstrahlröhre/ cathode ray tube
Centroid(#12 - ratio 1:4)_Vandiver Act 14.2
Isometric Transformations
Math 633 Applets
Discover Topics
Constructions
Line Segment
Polynomial Functions
Congruence
Limits