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双动点求三角形最大面积演示
Author:
黄旭
Topic:
Geometry
GeoGebra
New Resources
畫出對稱圖形
判斷球體
四邊形的特性
兩位數除以一位數（二）
四邉形 (四年級) 教師版
Discover Resources
图形
三角函數伸縮與平移
立体几何
比較分數大小
简单迭代;迭代列表
Discover Topics
Matrices
Scatter Plot
Arithmetic Operations
Arithmetic
Trigonometric Functions