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七巧板(tangram)的副本
Author:
颜峰
,
孟宝兴
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GGB学习交流群:217440999 作者:云南师范大学 孟宝兴 QQ:297770550 邮箱:mengbaoxing@163.com
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拼砌四邊形
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畫出對稱圖形
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認識GeoGebra--相似三角形
Operations on Complex Numbers 複數的運算
二元一次方程式 1
x to 1/5 Integration
Copy of 劉徽的「割圓術」
Completing the Square (Part 6)
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Similar Triangles
Random Variables
Random Experiments
Geometry
Upper and Lower Sum or Riemann Sum