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Pythagorean Fractal Tree
Author:
魏向东
GeoGebra
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平行線的判定
第三周作业效果演示
直線的斜率：水平變化 & 鉛垂變化
撒针估算面积实验
异形操场
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餘弦定理
題4
so fing
這是什麼圖形？
PIAY
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Tangent Line or Tangent
Vectors
Rhombus
Circumcircle or Circumscribed Circle
Scalene Triangles