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畫三角形 題1a
Author:
GeoGebra Institute of Hong Kong
Topic:
Triangles
GeoGebra
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兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
找出對稱軸
【案例】2018年全国1卷理科12题
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勝者即正義
运动
百度
三角函數 週期、振幅變化 課堂投影用
邊長與三角形（一） 的複本
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Mode
Plane Figures or Shapes
Equilateral Triangles
Linear Programming or Linear Optimization
Congruence