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優良作品2(怡雯)
Author:
Ching-Hui Chou
GeoGebra
New Resources
異分母分數減法
画直线等分三角形的面积
兩位數加法
球體建築師
三位數除以一位數（一）
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優良作品3(薇如)
面積2
第四冊4-1習題8(1)
省政信箱
旋轉正方形
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Quadratic Equations
Variance
Solids or 3D Shapes
Probability
Linear Functions