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[洋葱] 2018广州25 求轨迹的长
Author:
洋葱教研
GeoGebra
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盈利與虧蝕
斐波那契螺旋弧线（表格法）
三角函数 的副本
活动三：应用性质
折扣
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讀磅
判斷球體 3
...
圓面積的應用
動量守恆相圖分析
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Volume
Coordinates
Straight Lines
Tangent Function
Pythagoras or Pythagorean Theorem
