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Drawing quadrilaterals on the grid or the pinboard
Author:
Anthony OR 柯志明
GeoGebra
New Resources
百分數及其應用
正方形雪花图案
折扣
撒针估算面积实验
双心四边形
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北區模考多選第八題 (2014.03.06)
柱體建築師
勝者即正義，可愛即正義~
gjc093b19 梯形的面積
|sin(z)|
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Calculus
Binomial Distribution
Means
Median Value
Vectors 3D (Three-Dimensional)