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Question 4
Author:
Shum Kwok Ching
,
GeoGebra Institute of Hong Kong
Topic:
Area
GeoGebra
New Resources
四邉形 (四年級) 教師版
直角坐標平面上的旋轉變換
Earth with coastline
兩組對邊相等的四邊形
畫出對稱圖形
Discover Resources
HELLO
CircleRoundCircle
circle
第二次:20190110
小正多边形在大正多边形内的滚动（边长不相等）
Discover Topics
Division
Constructions
Conic Sections
Random Variables
Orthocenter