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三角形内切圆
Author:
fudakkkk
三角形内切圆
GeoGebra
New Resources
兩位數加法
畫出對稱圖形
判斷球體
GeoGebra笔记功能体验课件
三位數除以一位數（一）
Discover Resources
正方形與正三角形
利用按鈕控制動畫On/Off
Area of triangle with different base
三度空間中的長方體
Multiplication of polynomials 2 (多項式的乘法 2)
Discover Topics
Cylinder
Exponent
Median Line
Mathematics
Upper and Lower Sum or Riemann Sum