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前測 12/4
Author:
Keung
GeoGebra
New Resources
百分數及其應用
龙形曲线-分形龙
斐波那契螺旋弧线（表格法-可动态调节）
第八周作业1
活动三：应用性质
Discover Resources
n等分點
太极图
Angle between Lateral Faces 3
P6 圓周02B
翰林數學_2下_CH3-1_三角形的外角和
Discover Topics
Addition
Centroid or Barycenter
Parallelogram
Arithmetic Operations
Orthocenter