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圓相切
Author:
一路梁
圓相切
GeoGebra
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兩組對邊相等和有直角的四邊形
畫出對稱圖形
【案例】2018年全国1卷理科12题
拼砌四邊形
画直线等分三角形的面积
Discover Resources
用面積逼近圓周率
拋物線之極偶 / polarity for parabola
正弦公式2
单晨答图霸湖北李光荣
小四_小數的認識
Discover Topics
Quadratic Equations
Real Numbers
Median Line
Expected Value
Perimeter