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把三角形分類 的複本
Author:
Tony Cheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
畫出對稱圖形
兩位數除以一位數（二）
異分母分數減法
直角坐標平面上的旋轉變換
拼砌四邊形
Discover Resources
正立方體內的正四面體
Bearings
艾雪鑲嵌2
足迹
拋物線生活應用
Discover Topics
Scalene Triangles
Linear Regression
Plane Figures or Shapes
Sine
Arithmetic Operations