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Author:
吳秉鴻
GeoGebra
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直角坐標平面上的旋轉變換
找出對稱軸
sanjiaohanshu
算柱 (兩位數)
畫出對稱圖形
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y=(x-a)²的圖形
winter vacation homework 12
Addition / Subtraction of 3 Directed Numbers
旁心三角形的九點圓
How to draw a square with ruler and compasses?
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Random Experiments
Line Segment
Median Line
Median Value
Rational Numbers