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Author:
李春培
GeoGebra
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四邊形的特性
三位數除以一位數(二)
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
拼砌四邊形
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畫三角形 題1b
材料
圓與切線
拋物線生活應用
椭圆的定义
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Line Segment
Translation
Geometric Transformations
Interest Calculation
Special Points