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62326 劉虹圻
Author:
呂麗珠
GeoGebra
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三位數除以一位數(一)
兩位數加法
球體建築師
【案例】2013年安徽高考15题
畫出對稱圖形
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Geometric Circle
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5,求 ad - bc 最大值?
斜線2
Copy of 劉徽的「割圓術」
串珠(兩種顏色)
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Sine
Angles
Power Functions
Geometric Mean
Ellipse