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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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Nobody Likes to Be a Semicircle
A Happy Polar Leaf
Multiplying 4-Digit by 3-Digit Numbers Using an Area Model
Bessel Function
Discover Resources
Sine Law Tester
AB + 2CD
Animación
Scott's Brother's NC Rainbow
Area of an Annulus
Discover Topics
Probability
Exponent
Bar Chart or Bar Graph
Calculus
Cosine