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直角三角形的內心與相似
Author:
鍾文欽
GeoGebra
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【案例】2018年全国1卷理科12题
畫出對稱圖形
GeoGebra笔记功能体验课件
小数 的副本
柱體建築師
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「相似三角形」任务4
測試
方格纸上画平行线和垂线
旋轉對稱
y=sinx+1,y=2sinx,y=sin2x的圖形
Discover Topics
Arithmetic Operations
Circle
Volume
Piecewise Functions
Statistics