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数立方块个数
Author:
吉顺国
GeoGebra
New Resources
斐波那契螺旋弧线（表格法-可动态调节）
圓的基本性質
撒针估算面积实验
第三周作业效果演示
龙形曲线-分形龙2
Discover Resources
翰林B4講p192_類1
負指數的計算
行程圖 (Travel Graph) 的複本
繪畫平行四邊形
美丽的斯坦纳圆链
Discover Topics
Means
Hyperbola
Triangles
Pythagoras or Pythagorean Theorem
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