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幾何明珠2-6
Author:
bigbirdjack
GeoGebra
New Resources
正方形雪花图案
活动三：应用性质
盈利與虧蝕
常见四边形是否是双心四边形
双心四边形
Discover Resources
三角形三邊關係
GeoGebra的認識與安裝
重複排列
向外延伸的多邊形
正n邊形內角與外角 的複本
Discover Topics
Tangent Line or Tangent
Geometric Transformations
Histogram
Fractions
Parametric Curves