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Author:
cherry910502
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圓周公式應用題2的副本
Hexagon and Squares
比心
Yk812t21_2
Yk812t21_1
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測試 ...
ACT02B Angle at centre and circumference
ghseh 二次函數的開口大小
假分數轉為帶分數
畢氏定理
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Arithmetic Operations
Centroid or Barycenter
Circle
Angles
Trigonometric Functions
