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根據百分率找數量（一）: 例4的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
找出對稱軸
兩組對邊相等的四邊形
兩位數加法
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
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「相似三角形」任务4
Copy of 相關係數
Sequence指令作圖-1
极坐标系
面积平分线
Discover Topics
Trapezoid
Correlation
Polygons
Percentages
Statistics