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Author:
一路梁
GeoGebra
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四邉形 (四年級) 教師版
四邊形的特性
畫出對稱圖形
判斷球體
兩位數除以一位數(二)
Discover Resources
滾出直線滾出直線
證平行四邊形 (對角線互相平分) (對邊 // 且相等)
过圆上一点作切线,三步
-3/2 ≤ cosα + cosβ + cosγ ≤ 3
两角和的正弦公式几何证明(改进)
Discover Topics
Tangent Function
Hyperbola
Conic Sections
Poisson Distribution
Normal Distribution