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S4E16 SSA的探究
Author:
宋晓燕
GeoGebra
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GeoGebra笔记功能体验课件
兩位數加法
判斷球體
兩位數除以一位數（二）
兩組對邊相等的四邊形
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橢圓動畫
转网页后文字排版变乱
ycmc P5 Math lesson 1-3
正方形推垛
折叠问题一例
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Hypothesis Testing
Volume
Scalene Triangles
Solids or 3D Shapes