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數學傳播39卷4期, 平面幾何公式思考
Author:
Yu-Tuan Lin
New Resources
算柱 (兩位數)
球体的体积推导(优化版)
三位數除以一位數(二)
畫出對稱圖形
異分母分數減法
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Difference of Two Squares 平方差 (2)
底數大於1時的指數變化情形
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[問題] 橢圓與雙曲線有共同焦點
y=Asin(ωx+φ)
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Fractal Geometry
Area
Trigonometry
LCM and GCD
Isosceles Triangles