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反射變換
Author:
takaywong
GeoGebra
New Resources
判斷球體
近似值：有效數字
算柱 (兩位數)
美國國旗 (Codex 版)
拼砌四邊形
Discover Resources
學習單：平行四邊形面積
Properties of a Rectangle
Perimeter
模拟龟兔画板
中華民國 ( 台灣 ) 國旗 National Flag of ROC ( Republic of China, Taiwan )
Discover Topics
Numbers
Symmetry
Boxplot
Percentages
Right Triangles