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Author:
螢橋國中
GeoGebra
New Resources
Nested spiral octagon
兩組對邊相等和有直角的四邊形
Fibonacci Clock
近似值：有效數字
拼砌四邊形
Discover Resources
駐波:相向而行的兩行進波線性疊加而成
對稱圖形
fraction compare
等腰三角形 － 等角對等邊的副本
点、线、角
Discover Topics
Cone
Cube
Natural Numbers
Kite
Linear Equations