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固定面積的圖形周界變化
Author:
phcheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
畫出對稱圖形
直角坐標平面上的旋轉變換
兩組對邊相等的四邊形
球體建築師
錐體建築師
Discover Resources
分數與小數
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
碎形
Dart Board
分數比較
Discover Topics
Constructions
Cone
LCM and GCD
Statistics
Curve Sketching