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三角形的縮放
Author:
Lin Ching Chieh
GeoGebra
New Resources
平行線的判定
直線的斜率：水平變化 & 鉛垂變化
撒针估算面积实验
科氏力 (Coriolis Force)
第八周作业
Discover Resources
高中三大動圓軌跡圖形
加減併式與估算
多邊形與圓_2
PROBLEM SOLVING(COLOUR)
三角形的重心
Discover Topics
Isosceles Triangles
Quadratic Functions
Circumcircle or Circumscribed Circle
Centroid or Barycenter
Special Points