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quadrilaterals 4
Author:
iedc
GeoGebra
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GeoGebra笔记功能体验课件
拼砌四邊形
找出對稱軸
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
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正n邊形的組合
尺規作圖乾淨版
q5-9
拋物線2--焦點法
Copy of 「相似三角形」任务1
Discover Topics
Tangent Function
Upper and Lower Sum or Riemann Sum
Conditional Probability
Line Segment
Combinatorics