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轨迹19
Author:
万超杰
GeoGebra
New Resources
正方形雪花图案
异形操场
斐波那契螺旋弧线（表格法）
百分數及其應用
科氏力 (Coriolis Force)
Discover Resources
工作紙題2
曲線上的箭頭 (Arrow on Curve)
三角函數伸縮與平移
∆ABD 面積 = ?
关于椭圆的一个性质
Discover Topics
Linear Programming or Linear Optimization
Vectors 2D (Two-Dimensional)
Parabola
Cone
Similar Triangles