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奠基測試
Author:
tan90
GeoGebra
New Resources
拼砌四邊形
異分母分數減法
三位數除以一位數（一）
找出對稱軸
判斷球體
Discover Resources
Construct a regular pentagon
生活中的平面圖形─點與線的性質
教學－與直線有關的角
翰林數學_2下_CH4-1_平行線的特性與定義
翻牌游戏中的数学道理
Discover Topics
Linear Programming or Linear Optimization
Logic
Diagrams
Distributions
Fractal Geometry