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三角形面積公式 1/2 bc sinA
Author:
羅驥韡 (Pegasus Roe)
Topic:
Area
GeoGebra
New Resources
找出對稱軸
國旗 (作圖步驟直接餵給 Claude)
四邉形 (四年級) 教師版
美國國旗 (Claude 版)
小数 的副本
Discover Resources
函數邏輯式
二次函數（第四階段）
Geometric Solids: Recognize, Name and Sort
外心
折正五邊形
Discover Topics
Scalene Triangles
Rational Numbers
Set Theory
Line Segment
Right Triangles