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Author:
陳兪宏
吳孟哲老師幾何題
GeoGebra
New Resources
算柱 (兩位數)
畫出對稱圖形
找出對稱軸
兩位數除以一位數（一）
兩組對邊相等的四邊形
Discover Resources
集合
正n邊形的組合
Scheimpflug image
平面幾何
Temp file
Discover Topics
Reflection
Standard Deviation
Complex Numbers
Angles
Calculus