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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
Complex Numbers - Cartesian to Polar Coordinates
Untitled
Introduction
Complex Numbers - Polar to Cartesian Coordinates
Long Division Blank Templates: Max 4 Steps
Discover Resources
animation geometry project
test
Treasure map #1
circle theorems
EXTERIOR ANGLE PROPERTY OF A TRIANGLE
Discover Topics
Line Segment
Limits
Optimization Problems
Natural Numbers
Cuboid