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全等三角形
Author:
gklwong
(重溫)全等三角形
GeoGebra
New Resources
三位數除以一位數（二）
GeoGebra笔记功能体验课件
畫出對稱圖形
找出對稱軸
球体的体积推导（优化版）
Discover Resources
拋物線作圖Ex1
端點在兩圓周線段中點軌跡
Congruent and Similarity
基础知识
保持比例
Discover Topics
Functions
Indefinite Integral
Translation
Symmetry
Diagrams