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Author:
Chen, shih-hsiung
GeoGebra
New Resources
四邊形的特性
第八周作业
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
找出對稱軸
Discover Resources
waaachen
量度活動所用的時間 (時、分)
正角柱體
正四角錐(可以旋轉， 顯示邊， 選擇透視)
基础知识
Discover Topics
Statistical Characteristics
Coordinates
Arithmetic
Means
Probability