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数学勾股定理
Author:
xuhao
GeoGebra
New Resources
第八周作业2
折扣
第八周作业1
正方形雪花图案
科氏力 (Coriolis Force)
Discover Resources
peacock3
EX3.18
二元一次聯立方程式圖解
小時鐘
Copy of 七巧板
Discover Topics
Plane Figures or Shapes
Geometry
Rhombus
Equations
Quadrilaterals