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三角形
Author:
whtong
Topic:
Triangles
GeoGebra
New Resources
畫出對稱圖形
四邉形 (四年級) 教師版
四邊形的特性
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
對稱及變換
尺規作圖髒髒版
正方形所夾三角形面積相等
期末作業(作品集)
同旁內角---不平行綫
Discover Topics
Translation
Variance
Arithmetic Mean
Fractal Geometry
Function Graph