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學習單：三角形任一外角與內角關係
Author:
Tsai, Dung Jung
,
Tim Brzezinski
GeoGebra
New Resources
小数 的副本
近似值：有效數字
兩位數加法
錐體建築師
算柱 (兩位數)
Discover Resources
testssss
Copy of 固定周界的長方形的面積變化
Copy of 指數函數的圖像
鏡射的副本
乘法練習
Discover Topics
General Quadrilateral
Histogram
Parallelogram
Right Triangles
Logarithm