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内凹的正方形
Author:
叶明杰
GeoGebra
New Resources
盈利與虧蝕
第八周作业2
双心四边形
科赫雪花
常见四边形是否是双心四边形
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翻轉方塊(雙開)
一元二次方程式-應用問題(兩圓相切-2)
數學傳播39卷4期, 平面幾何公式思考
三角形中線定理求最小值
垂心
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Volume
Linear Functions
Parametric Curves
Sequences and Series
Rhombus