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車輪
Author:
李春培
車輪
GeoGebra
New Resources
兩位數除以一位數（二）
找出對稱軸
四邊形的特性
異分母分數減法
直角坐標平面上的旋轉變換
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peacock3
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
椭圆的定义
拋物線教學_2016
數學傳播39卷4期, 平面幾何公式思考
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Differential Calculus
Rhombus
Line Segment
Functions
Random Variables