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三角形三邊關係
Author:
曾己泉
使學生了解三角形邊長關係
GeoGebra
New Resources
四邉形 (四年級) 教師版
畫出對稱圖形
三位數除以一位數（二）
球体的体积推导
找出對稱軸
Discover Resources
常數函數平移(進階)
累積頻數多邊形
DSE Circle-ACT03B Relationship Between Chords and Angles at Centre
面積 題目4
四年級 最大公因數
Discover Topics
Isosceles Triangles
Parametric Curves
Poisson Distribution
Ratios
Scalene Triangles