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勾股定理证明2
Author:
卢德洪
Topic:
Geometry
,
Pythagoras or Pythagorean Theorem
,
Translation
,
Triangles
GeoGebra
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GeoGebra笔记功能体验课件
判斷球體
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
三位數除以一位數（一）
Discover Resources
圓周率圓周率
行列式計算平行四邊形面積
test
Example 2
平面直角坐标系的构成
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Surface
Plane Figures or Shapes
General Quadrilateral
Constructions
Variance