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Triangle_3_Q
Author:
ralphchen
GeoGebra
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【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
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（二）
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三角形的重心
Where is Micky?
三節棍
數學傳播39卷4期, 平面幾何公式思考
試算表2
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Derivative
Geometric Transformations
Congruence
Geometric Mean
Matrices