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ptcc trigo level 2
Author:
Cheung Wing Chuen
GeoGebra
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【案例】2018年全国1卷理科12题
異分母分數減法
錐體建築師
兩位數除以一位數（二）
判斷球體
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葉子型
指數的對稱
ghseh 二次函數左右x值差
circle
動量守恆相圖分析
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Polynomial Functions
Surface
Sphere
Differential Equation
Arithmetic Operations