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Question 1
Author:
Shum Kwok Ching
GeoGebra
New Resources
比較五件物件的重量
平行線的斜率
祖冲之的期望：内棋与外棋
常见四边形是否是双心四边形
圓的基本性質
Discover Resources
ggggggg
椭圆的定义的副本
Locus (Parallel lines)
三視圖01
圓周的計算
Discover Topics
Hypothesis Testing
Fractal Geometry
Polygons
Equations
Ellipse