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等周長的扇形與矩形
Author:
李春培
Topic:
Area
等周長的扇形與矩形
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等和有直角的四邊形
找出對稱軸
四邊形的特性
算柱 (兩位數)
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三心：與三角形形狀的關係
平行線 (同位角 - 4對)
積分
數學電腦繪圖與解題
根據百分率找數量（二）: 例4的副本
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Distributions
Geometric Mean
Cube
LCM and GCD
Terms