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探索“三等分点连线围成的小三角形”的特点
Author:
吴光蕴
GeoGebra
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【案例】圆柱体内放置一个大球六个小球
四邉形 (四年級) 教師版
画直线等分三角形的面积
三位數除以一位數(二)
畫出對稱圖形
Discover Resources
認識GeoGebra--相似三角形
Golden Spiral
Bayes' Thm
lms2702
滑桿
Discover Topics
Natural Numbers
Addition
LCM and GCD
Standard Deviation
Root