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對稱圖形老師教學
Author:
lily44559966
GeoGebra
New Resources
双心四边形
第八周作业
盈利與虧蝕
斐波那契螺旋弧线（表格法-可动态调节）
比較五件物件的重量
Discover Resources
固定三角形的條件−題2
認識函數(表格形式)
量角器
电场线模拟
动点
Discover Topics
Upper and Lower Sum or Riemann Sum
Geometric Transformations
Statistics
Coordinates
Cube