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Author:
陳兪宏
阿凱老師的幾何問題
GeoGebra
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異分母分數減法
找出對稱軸
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
算柱 (兩位數)
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圓錐的截面
大圓在小圓上滾動
Pole & Polar
太陽系
雙曲線1 交點法
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Geometric Mean
Differential Calculus
Function Graph
Linear Programming or Linear Optimization
Derivative