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Author:
Hui Sir
GeoGebra
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找出對稱軸
第八周作业
異分母分數減法
拼砌四邊形
算柱 (兩位數)
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蒙日定理
Linear Inequalities in Two Unknowns 二元一次不等式
畢氏定理完成20170330final
任意角的三角函数
橢圓2-四圓心近似法
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Equations
Calculus
Coordinates
Geometric Transformations
Linear Regression