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根據百分率找數量（二）: 例2的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
拼砌四邊形
柱體建築師
兩位數除以一位數（二）
畫出對稱圖形
第八周作业
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色彩視覺藝術
三角形有向面積
矮額 太空喔
到點與線段距離相等
杨辉三角
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Division
Fractions
LCM and GCD
Linear Functions
Geometry