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matrix of rotation transformation
Author:
华杰 苏
Topic:
Matrices
GeoGebra
New Resources
異分母分數減法
【案例】2018年全国1卷理科12题
兩位數加法
找出對稱軸
拼砌四邊形
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Copy of 閱讀鐘面及數字鐘（時和分）
三角函數
七巧板綜合的副本
拋物線四-平行四邊形法
活工(二)Q2
Discover Topics
Incircle or Inscribed Circle
Area
Parametric Curves
Linear Functions
Multiplication