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GeoGebra Lesson
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GeoGebra Lesson
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1977上海文4（3）
Author:
常振虎
GeoGebra
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近似值：有效數字
Nested spiral octagon
畫出對稱圖形
Claude 解幾何題
國旗 (Claude 版)
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ruler
黃金矩形
賺賠：例1的副本
正圆柱展开图-方式一
利用海龟来趣味演示三角形三边的关系
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Histogram
Square
Difference and Slope
Congruence
Integers