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全等双子模型（等腰三角形）
Author:
冯姣龙
Topic:
Congruence
,
Isosceles Triangles
GeoGebra
New Resources
球体的体积推导（优化版）
畫出對稱圖形
球体的体积推导
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
正方体展开图的副本
三視圖學生互動版
堆四顆球
反比例函数的图像与性质
翰林數學_2下_CH3-1_點線角
Discover Topics
Line Segment
Upper and Lower Sum or Riemann Sum
Square
Terms
Right Triangles