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Author:
杨晓晨
GeoGebra
New Resources
錐體建築師
判斷球體
拼砌四邊形
球体的体积推导（优化版）
畫出對稱圖形
Discover Resources
七巧板
對角線
尤拉線80503余欣儒螢橋國中
quadratic
other
Discover Topics
Tree Diagrams
Hyperbola
Differential Equation
Stochastic Process or Random Process
Rhombus