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幾何圖形 2
Author:
marylovesshinee
GeoGebra
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異分母分數減法
【案例】2013年安徽高考15题
三位數除以一位數（一）
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
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三角形的內角和+內心與外心
錯角
周界
Ex.2
开关灯
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Intersection
Hypothesis Testing
Vectors
Quadratic Equations
Means