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內外切圓性質
Author:
連琨銘
GeoGebra
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【案例】2018年全国1卷理科12题
画直线等分三角形的面积
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等的四邊形
Discover Resources
Building Pyramids 建造角錐體
三角形內心
聖誕樹
對稱之美
兩位數加法
Discover Topics
Subtraction
Linear Functions
Sine
Quadratic Functions
Differential Calculus