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鍾元杰
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Copy of Dice 3-D
Activity
鍾元杰
Copy of Poorly Drawn Quadrilaterals
Activity
鍾元杰
Copy of glt-h02-01-長方體動態展開圖
Activity
鍾元杰
Copy of Truncated octahedron's net
Activity
鍾元杰
Copy of Net of Dodecahedron
Activity
鍾元杰
Toyota Logo
Activity
鍾元杰
黎曼和
Activity
鍾元杰
正12面體內接正四面體
Activity
鍾元杰
三圓外切
Activity
鍾元杰
角平分線性質
Activity
鍾元杰
拋物線的平移與對稱
Activity
鍾元杰
ㄚ杰的拋物線的平移直觀教材
Activity
鍾元杰
外角定理直觀教材
Activity
鍾元杰
分項對消式的寫法
Activity
鍾元杰
兩外切圓之外公切線作圖法
Activity
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兩圓的公切線
Activity
鍾元杰
正四面體空間中投影
Activity
鍾元杰
圓內正方形夾小圓
Activity
鍾元杰
立體錯覺樓梯(使用透視法會稍有差距)
Activity
鍾元杰
一題多解,托勒密,代數,三角,柯西,鍾元杰
Activity
鍾元杰
齒輪連接的方法與轉動。
Activity
鍾元杰
