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1115-3
Author:
chen mingchuan
GeoGebra
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球体的体积推导
画直线等分三角形的面积
【案例】2013年安徽高考15题
圓的切線方程
兩位數除以一位數（一）
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判斷線型函數y=f(x)=ax+b的b值(隨機出題)
簡易統計
滑桿動畫
Measure of Dispersion
平分线段或角
学用数学 S0
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Continuity
Trigonometry
Line Segment
Square
Prism