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旁心三角形的九點圓
Author:
連琨銘
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩位數除以一位數（二）
GeoGebra笔记功能体验课件
第八周作业
【案例】圆柱体内放置一个大球六个小球
Discover Resources
Symmetric設計對稱圖案(一條對稱軸)
橢圓軌跡 (3)
y=2^x指數函數圖形
Properties of a Rhombus
多重指令
Discover Topics
Arithmetic Operations
Differential Equation
Random Variables
Sine
Set Theory