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Properties of a Rhombus
Author:
Lttcmooc
GeoGebra
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四邊形的特性
【案例】2013年安徽高考15题
拼砌四邊形
兩組對邊相等的四邊形
判斷球體
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根據百分率找數量（二）: 例3
三角形三邊上各一點最小周長
三角形三內角和
餘數處理
圆-视觉差
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Similar Triangles
Expected Value
Median Line
Equations
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