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Klokka
Author:
Erik Lyngner
撥動鐘面,輸入鐘面上指示的時間。 輸入時間,依時間撥動鐘面。 Information for other teachers: 讓學生認識如何從鐘面報時,及如何在鐘面顯示指定的時間。
GeoGebra
柯志明 香港教育局 教育基建分部
New Resources
Is it Isosceles?
Oriented Angles and the Unit Circle
Flag in the wind
Woven
Wallace-Simson Line, Orthopole, and Deltoid
Discover Resources
Poincar´e Disk_4
reflected images
Hyperbola 3b
Sections of Spheres APS
Parabola: Reflective Property and Distance
Discover Topics
Perimeter
Angles
Median Value
Median Line
Cosine