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椭圆中的一个定值问题的动态演示.许兴华数学
Author:
许兴华数学
Topic:
Ellipse
GeoGebra
New Resources
兩位數除以一位數（一）
垂直線的斜率
多邊形的面積
直線的斜率
球体的体积推导
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test
旋轉對稱
equations of circle 1
製作對稱圖_教師示範
Solving the equations in the form ax + b = cx + d (Grouping like terms)
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Real Numbers
Random Variables
Orthocenter
Rational Numbers
Perimeter