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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
四邊形的特性
兩位數除以一位數（一）
拼砌四邊形
四邉形 (四年級) 教師版
錐體建築師
Discover Resources
數學4其他圖
極坐標
科學記號
三角排列
圆锥的侧面展开图3D
Discover Topics
Statistics
Circumcircle or Circumscribed Circle
Median Line
Normal Distribution
Surface