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椭圆的定义
Author:
jscqiong2006
Topic:
Ellipse
GeoGebra
New Resources
平行線的斜率
空间中两直线的位置关系
漂亮的摇摆曲线
圓周公式的應用
【案例】2013年安徽高考15题
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已知橢圓 x^2/a^2+y^2/b^2=1 (a>b>0)
圓與三角形中點的軌跡
杯麵
二重积分的计算-截面法求体积
拋物線生活應用
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Difference and Slope
Parabola
Addition
Special Points
Mathematics