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算幾不等式-三圃輪耕法
Author:
黃信淳
GeoGebra
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异形操场
圓的切線方程
第八周作业3
折扣
比較五件物件的重量
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PMC 2016-17
三角形外心的位置
Multiplication of Directed Numbers
旋转的花瓣
异形操场
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Fractions
Definite Integral
Symmetry
Functions
Sequences and Series