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proof92吳冠穎
Author:
郭亮偉
GeoGebra
New Resources
拼砌四邊形
兩位數除以一位數（一）
三位數除以一位數（二）
直角坐標平面上的旋轉變換
找出對稱軸
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Addition and Subtraction of Directed Numbers (2) 有向數加減(2)
軌跡,摺紙,滾動,實驗觀察,曲線
下和
conjugate
Effects on Dispersion
試算表的很多正方形
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Random Variables
Symmetry
Combinatorics
Statistics
Numbers