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根據百分率找數量（一）: 例3的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
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GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
第八周作业
錐體建築師
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整數或分數÷分數_ 工作紙（一）_題3b
斯坦納-雷米歐司(Steiner-Lehmus)定理推廣
圖H
圓錐曲線 vs.雙曲線定義式
牛頓定理二
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Constructions
Area
Real Numbers
Linear Equations
Centroid or Barycenter