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3D
Author:
Miss Tsui
GeoGebra
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圓的基本性質
圓的切線方程
圓周公式的應用
讀磅
直線的斜率：水平變化 & 鉛垂變化
Discover Resources
希式半月形的變形
二次函數圖形與兩軸的交點
ch14 p.30#31
放缩尺
动圆与两圆外切与内切(2)
Discover Topics
Upper and Lower Sum or Riemann Sum
Plane Figures or Shapes
Rotation
Binomial Distribution
Similar Triangles