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Compare areas by cutting shapes Q1
Author:
Shum Kwok Ching
,
GeoGebra Institute of Hong Kong
GeoGebra
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畫出對稱圖形
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
球体的体积推导（优化版）
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「相似三角形」任务3
DSE Circle-ACT02A Relationship Between Angles and Centre and Circumference
a sin(bx+c) + d 的圖形的副本
正切线生成函数图像
圖形的移動對函數式的影響的副本
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Subtraction
Similarity Transformation or Similarity
Division
Numbers
Angles