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教學－旋轉
Author:
Lau Sir
Topic:
Rotation
GeoGebra
New Resources
異分母分數減法
找出對稱軸
兩組對邊相等的四邊形
三位數除以一位數（二）
四邊形的特性
Discover Resources
平行四邊形
T7 geobra
geo123
GGB 基礎教學（平面幾何）
橢圓3--平行四邊形法
Discover Topics
Linear Programming or Linear Optimization
Right Triangles
Constructions
Prism
Exponential Functions