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拿破侖定理(外拿破侖)證明二
Author:
連琨銘
GeoGebra
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算柱 (兩位數)
兩位數除以一位數(一)
兩組對邊相等和有直角的四邊形
畫出對稱圖形
【案例】2018年全国1卷理科12题
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三角形的三心觀察站
Values of nCr & nPr 排列與組合的值
Locus (Parallel lines)
數學傳播39卷4期, 平面幾何公式思考
点到双曲线的切线方程
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Logarithmic Functions
Perimeter
Matrices
Similar Triangles
Tangent Function