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題 4
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
柱體建築師
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四邉形 (四年級) 教師版
畫出對稱圖形
球體建築師
Discover Resources
垂足三角形
Concept of Similarity 相似的概念
二次函數
拋物線5--包絡線法
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Discover Topics
Integers
Triangles
Percentages
Sphere
Root