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橢圓幾何性質,光學性質,生活應用
Author:
陳家豪
GeoGebra
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四邉形 (四年級) 教師版
找出對稱軸
【案例】2013年安徽高考15题
三位數除以一位數（一）
算柱 (兩位數)
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圓內接四邊形 ABCD ...，求 sinθ=?
Is this a prism 4
Conic Sections
Copy of 圓的面積
斐波那契螺旋弧线（表格法-可动态调节）
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Pythagoras or Pythagorean Theorem
Logarithmic Functions
Statistical Characteristics
Circle
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