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ptccs2new3
Author:
Cheung Wing Chuen
GeoGebra
New Resources
三位數除以一位數(二)
畫出對稱圖形
兩組對邊相等的四邊形
判斷球體
兩組對邊相等和有直角的四邊形
Discover Resources
香港貨幣
滑桿動態指令(動畫根本指令)
Internal tangent
圓的外切圓
旋轉正方形
Discover Topics
Translation
Area
Ratios
Geometric Mean
Conditional Probability