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Tangent of a Circle 圓的切線
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
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【案例】2018年全国1卷理科12题
【案例】圆柱体内放置一个大球六个小球
異分母分數減法
球体的体积推导
找出對稱軸
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因式分解測驗
gdss
認識公里
三角形的外心
全景平面投影
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Piecewise Functions
Area
Straight Lines
Scatter Plot
Sphere