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geo123
Author:
hsu hung yang
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GeoGebra
New Resources
算柱 (兩位數)
畫出對稱圖形
判斷球體
近似值：有效數字
Nested spiral octagon
Discover Resources
圓的性質
證平行四邊形 (對邊相等)
指數函數的平移(1)
HKCEE-AM 2006 Q17
拋物線的光線反射 獻給聰哥
Discover Topics
Tree Diagrams
Integers
Correlation
Arithmetic
Parametric Curves