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圓方程式
Author:
luke huang
GeoGebra
New Resources
兩位數加法
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
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大樂透開獎機(由小號到大號)
折扣 例5
畢式定理 (13)的副本
cos, sin 與單位圓
正方体展开图的副本
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Line Segment
Means
Fractions
Mathematics
Hypothesis Testing