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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
柱體建築師
三位數除以一位數（一）
直角坐標平面上的旋轉變換
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
Right Triangles in a Circle 圓內的直角三角形
優良作品7(孟倫)
正四面體
P.8.20_1
任務2的副本
Discover Topics
Histogram
Arithmetic Operations
Dilation
Correlation
Congruence