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邊長與三角形（一）
Author:
GeoGebra Institute of Hong Kong
Topic:
Isosceles Triangles
,
Right Triangles
,
Triangles
GeoGebra
New Resources
画直线等分三角形的面积
畫出對稱圖形
算柱 (兩位數)
兩位數除以一位數（二）
兩組對邊相等的四邊形
Discover Resources
反射定律 Law of Reflection
三角格紋
面積
遊戲
周界-平移法(練習二)
Discover Topics
Polynomial Functions
Reflection
Arithmetic Mean
Dilation
Logarithm