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Dilate 習作
Author:
陳隆期
GeoGebra
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sanjiaohanshu
球體建築師
算柱 (兩位數)
三位數除以一位數（一）
判斷球體
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商高定理3
Addition and Subtraction of Directed Numbers (2) 有向數加減(2)
軌跡,摺紙,滾動,實驗觀察,曲線
二年級_錐體的觀察
八個方向
等腰三角形 － 等角對等邊的副本
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Geometric Transformations
Functions
Angles
Constructions
Line Segment