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例題6
Author:
pcshstudyteacher
移動X&Y
GeoGebra
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龙形曲线-分形龙
讀磅
常见四边形是否是双心四边形
比較五件物件的重量
祖冲之的期望：内棋与外棋
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椭圆的参数方程
Cactest
學測100-G
空間旋轉矩陣
椭圆的两条垂直切线的交点轨迹 蒙日圆
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Means
Mode
Sphere
Integers
Natural Numbers