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兩圓的關係
Author:
黃國斌
GeoGebra
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垂直線的斜率
龙形曲线-分形龙
讀磅
折扣
正方形雪花图案
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Bearings 方位
增長的圓
周界
gjc096b28 等腰三角形邊上一點與角度
三視圖
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Geometric Transformations
Rhombus
Isosceles Triangles
Trapezium
Integral Calculus