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[S2] a revised version of Jane’s GeoGebra file (modified by the author)
Author:
Chan Yip-Cheung
GeoGebra
New Resources
GeoGebra笔记功能体验课件
四邊形的特性
三位數除以一位數（一）
兩組對邊相等的四邊形
兩位數除以一位數（二）
Discover Resources
小四平面圖形學習單
四下_面積（一）(學生版)
Angle between 2 planes
鏡頭控制
[拋物線]與直線相切且與圓內切之所有圓的圓心軌跡方程式
Discover Topics
Upper and Lower Sum or Riemann Sum
Angles
Linear Programming or Linear Optimization
Piecewise Functions
Pythagoras or Pythagorean Theorem