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Author:
陳兪宏
奕程老師的幾何問題
GeoGebra
New Resources
拼砌四邊形
柱體建築師
找出對稱軸
画直线等分三角形的面积
兩位數除以一位數（二）
Discover Resources
均分除法（分數÷整數）
mmvbcvbcv
幾何變換
各立體展開圖
The Beautiful Dance of the Earth and Venus
Discover Topics
Reflection
Power Functions
Angles
Logic
Expected Value