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Similar triangles reasons 2
Author:
lamanleung
GeoGebra
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【案例】2013年安徽高考15题
GeoGebra笔记功能体验课件
找出對稱軸
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
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圓內接四邊形 ABCD ...，求 sinθ=?
三角形的內角和+內心與外心
雙橢
箭头平移
圓的面積的副本
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Means
Geometry
Exponential Functions
Line Segment
Symmetry