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任意三角形兩不等圓v3
Author:
Lin Ching Chieh
GeoGebra
New Resources
画直线等分三角形的面积
四邉形 (四年級) 教師版
三位數除以一位數（一）
柱體建築師
GeoGebra笔记功能体验课件
Discover Resources
Addition and Subtraction of Polynomials 2 (多項式的加減法2)
碎形
反射(鉛垂線、水平線及斜線) Reflection (vertical line, horizontal line and line)
昆三中课堂试用1
撒针估算面积实验
Discover Topics
Quadrilaterals
Incircle or Inscribed Circle
Cosine
Difference and Slope
Mode