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「相似三角形」任务1的副本
Author:
庄晓阳
,
gklwong
Topic:
Similar Triangles
任务1
GeoGebra
New Resources
判斷球體
Earth with coastline
兩組對邊相等的四邊形
sanjiaohanshu
近似值：有效數字
Discover Resources
觀察對數的對稱性
clock
例題1【凹口性分析】
动态展开圆柱体
点动成线
Discover Topics
Statistical Characteristics
Plane Figures or Shapes
Variance
Geometric Mean
Rectangle