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三角形的縮放
Author:
Lin Ching Chieh
GeoGebra
New Resources
正方形雪花图案
球体的截面
平行線的判定
折扣
第八周作业
Discover Resources
北區模考多選第八題 (2014.03.06)
冪函數
坐标变换
齊找對稱軸
Exploration task
Discover Topics
Rectangle
Constructions
Trigonometry
Ellipse
Coordinates