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椭圆弦过定点的动画2
Author:
许兴华数学
Topic:
Ellipse
GeoGebra
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【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
錐體建築師
找出對稱軸
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Area of square
圓&五邊形
gct-c01-jc094v1-33 圓與長方形
圓柱(可改底面圓半徑、柱高)
hihihiADFASDF
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Constructions
Inequalities
Linear Functions
Calculus
Perimeter