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三角形的高
Author:
鍾文欽
Topic:
Triangles
GeoGebra
New Resources
拼砌四邊形
國旗 (Claude 版)
AI 訓練教室
兩組對邊相等的四邊形
畫出對稱圖形
Discover Resources
國中數學
GGB 基礎教學（平面幾何）
扇形面積
绘本1-平面直角坐标系复习
圆面积公式推导
Discover Topics
Confidence Interval
Parallelogram
Statistics
Rhombus
Expected Value