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固定周界的長方形面積變化
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Perimeter
,
Square
GeoGebra
New Resources
算柱 (兩位數)
四邉形 (四年級) 教師版
三位數除以一位數（二）
畫出對稱圖形
判斷球體
Discover Resources
Verification of Pythagoras Theorem 驗証畢氏定理
線性組合面積
Congruent and Similarity
乘法的副本
最短路径
Discover Topics
Matrices
Fractal Geometry
Continuity
Vectors 2D (Two-Dimensional)
Parametric Curves