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Circumference 圓周
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
兩位數除以一位數(二)
四邉形 (四年級) 教師版
直角坐標平面上的旋轉變換
三位數除以一位數(一)
兩位數除以一位數(一)
Discover Resources
方格紙上畫平行四邊形1
Quiz on Angles in a Circle 圓內的角:測驗
重心
圓錐截痕模型
椭圆内光的反射作图步骤
Discover Topics
Normal Distribution
Differential Equation
Solids or 3D Shapes
Cosine
Constructions