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蝴蝶定理推廣證明2(交比)
Author:
連琨銘
GeoGebra
New Resources
算柱 (兩位數)
画直线等分三角形的面积
【案例】圆柱体内放置一个大球六个小球
判斷球體
拼砌四邊形
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雙曲線的定義
平行四邊形有甚麼特性？
一元二次方程式-應用問題(兩圓相切)
躲掉1,-1,0的動態文字
滑桿4
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Power Functions
Rational Numbers
Random Experiments
Vectors
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