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橢圓軌跡
Author:
Ching-Hui Chou
GeoGebra
New Resources
三位數除以一位數（一）
拼砌四邊形
畫出對稱圖形
三位數除以一位數（二）
異分母分數減法
Discover Resources
座標
Percentage Change(百分變化)
最小周長
串珠(大小不同)
直方图002
Discover Topics
Coordinates
Arithmetic Mean
Variance
Algebra
Sine