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翰林數學_2下_CH4-1_截線與截角的意義
Author:
翰林數學
GeoGebra
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畫出對稱圖形
直角坐標平面上的旋轉變換
判斷球體
第八周作业
找出對稱軸
Discover Resources
切線斜率
三角形內部一點問題
第一組
定周长的正多边形面积变化规律
三年級除法(三)：一位數除三位數
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Similar Triangles
Equations
Hypothesis Testing
Optimization Problems
Similarity Transformation or Similarity