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正三角形的旋轉
Author:
李春培
正三角形的旋轉
GeoGebra
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【案例】2018年全国1卷理科12题
第八周作业
畫出對稱圖形
兩位數除以一位數（二）
GeoGebra笔记功能体验课件
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相似圖形基本概念
mathmathmath
Activity 2
圈圈移動
正十二面體內接正四面體或內接正六面體
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Straight Lines
Probability
Similar Triangles
Area
Root