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長方體旋轉
Author:
chen mingchuan
GeoGebra
New Resources
長方體平面投影 (Codex版)
四邊形的特性
判斷球體
兩組對邊相等的四邊形
畫出對稱圖形
Discover Resources
中国GeoGebra用户认证说明
等距共軛點(isotomic conjugate point)
固定周界長方形的面積變化（二）
线与平面的位置关系
直角坐標與極坐標的轉換
Discover Topics
Plane Figures or Shapes
Percentages
Isosceles Triangles
Mathematics
Parallelogram