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正十二面體
Author:
Lin Ching Chieh
GeoGebra
New Resources
科氏力 (Coriolis Force)
正方形雪花图案
常见四边形是否是双心四边形
平行線的判定
比較五件物件的重量
Discover Resources
練習1
圓柱曲面
二次函數
橢圓1--四圓心近似法
巧算周界
Discover Topics
Trigonometry
Means
General Quadrilateral
Parallelogram
Linear Functions