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橢圓之極偶 / polarity for ellipse
Author:
XIE Yuheng
GeoGebra
New Resources
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
畫出對稱圖形
四邉形 (四年級) 教師版
四邊形的特性
Discover Resources
龍騰4_1-1講進5
ggggggg
杯麵
用面積逼近圓周率的副本
滚动系列
Discover Topics
Exponent
Volume
Confidence Interval
Logarithm
Differential Equation