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七巧板揖人
Author:
李春培
七巧板揖人
GeoGebra
New Resources
Fibonacci Clock
Earth with coastline
近似值：有效數字
算柱 (兩位數)
直角坐標平面上的旋轉變換
Discover Resources
判斷柱體 1
數列與級數
認識一次函數關係式與圖形
畢氏定理倒水法
拋物線1--焦點法
割圆术估计圆周率（刘徽）
Discover Topics
Line Segment
Quadratic Equations
Interest Calculation
Vectors 2D (Two-Dimensional)
Straight Lines