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How to draw an octagon with ruler and compasses?
Author:
Pythoner
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
判斷球體
找出對稱軸
画直线等分三角形的面积
Discover Resources
棋盤的 L 形覆蓋
線性組合3：正方形
基測數學100-1-30 等腰三角形的角度
橢圓軌跡
等差数列、等比数列
Discover Topics
Symmetry
Rotation
Set Theory
Differential Equation
Congruence