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相似三角形
Author:
李春培
Topic:
Similar Triangles
,
Triangles
GeoGebra
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【案例】圆柱体内放置一个大球六个小球
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
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Angle between a Line and a Plane 投影與線面角
Angle between Plane and Plane
圖形的周界
三角形面積公式B1
S3 Ex4.3 Q06(3D圖)
Discover Topics
Frequency Distribution
Orthocenter
Logarithm
Straight Lines
Scalene Triangles