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Aula GeoGebra
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Slope of perpendicular lines
Autor:
gklwong
Slope of perpendicular lines 垂直線的斜率關係
GeoGebra
Nous materials
算柱 (兩位數)
兩位數加法
拼砌四邊形
兩位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
Descobriu materials
Vector in R2
Quiz on Solving Right Triangles (Combined) 解直角三角形：合併測驗
Parallel lines
equations of circle 2
正方体与球面的相交曲面
Descobriu Temes
Càlcul Diferencial
Angles
Cercle
Derivada
Funcions lineals