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Triangle
Author:
Ku, Yin Bon (Albert)
New Resources
Penrose Triangle 2
动态绘制函数图象
正立方體裁邊 (Chamfered Cube)
三垂線定理
旋转，M是CF中点，求BM和GM关系
Discover Resources
乘法
旋轉對稱_1_李樂雯
階梯圖形(一)
正四角柱
amoeba
Discover Topics
General Quadrilateral
Ellipse
Arithmetic
Polynomial Functions
Rational Numbers
