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鏡射
Author:
1041051 陳柏維
GeoGebra
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科赫雪花
活动三：应用性质
双心四边形
三角函数 的副本
第三周作业效果演示
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一點點小範例
餘弦定理的圖形證明2
Ch 12 Angles related to straight lines
Copy of 畢式定理 (06)
線性規劃
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Arithmetic
Equilateral Triangles
Orthocenter
Means
Geometry