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時鐘（教師用）
Author:
Mr Tsang
可顯示或隱藏分針，讓學生觀察時針的運動。
GeoGebra
New Resources
Trophy (version 2)
Transformations: 2 Steps (V1)
apec
Constructing Equilateral Triangles + Activities
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Discover Resources
Ellipse from center
A Transversal With 2 Lines
Snowman
disk-method-Example13a
การลบจำนวนเต็ม
Discover Topics
Diagrams
Binomial Distribution
Special Points
Distributions
Equations