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優良作品2(怡婷)
Author:
Ching-Hui Chou
GeoGebra
New Resources
球體建築師
小数 的副本
異分母分數減法
畫出對稱圖形
兩位數除以一位數（二）
Discover Resources
模擬隨機變數的「總和」
弧度
Bar Chart and Pie Chart(棒形圖及圓形圖)
淮阴2015-28
Light reflected in ellipse
Discover Topics
Ellipse
Statistical Characteristics
Integers
Angles
Scalene Triangles