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TRY_4.11.2016
Author:
Yeung Wing Ying
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邊形的特性
拼砌四邊形
小数 的副本
Fibonacci Clock
Discover Resources
角α与-α的正弦函数关系
一組物件的幾分之幾（練習）
Copy of 圓周公式應用題2
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「相似三角形」任务3的副本
Discover Topics
Rhombus
Combinatorics
Terms
Calculus
Similar Triangles