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GeoGebra
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GeoGebra
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Trigonometric Identities
Author:
johnmayhk
GeoGebra
Drag the point P.
New Resources
球体的体积推导
平行線的斜率
漂亮的摇摆曲线
三位數除以一位數（二）
空间中两直线的位置关系
Discover Resources
帕普斯定理：齊次座標
三角形外心的角度關係
Problem1:(md+me+mf)/(ad+be+cf)=a
切割正十二面體
圆柱展开成平行四边形2
Discover Topics
Arithmetic Mean
Line Segment
Multiplication
Step Functions
Subtraction