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轨迹20
Author:
万超杰
GeoGebra
New Resources
比較五件物件的重量
常见四边形是否是双心四边形
科氏力 (Coriolis Force)
斐波那契螺旋弧线（表格法-可动态调节）
活动三：应用性质
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Area of trapezoid
整數指數與有理指數練習
圓繞圓外
圓心的軌跡方程式
诱导公式五（90°+α）
Discover Topics
Similar Triangles
Special Points
Optimization Problems
Function Graph
Reflection