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題 9
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
GeoGebra
New Resources
三位數除以一位數（二）
兩組對邊相等的四邊形
拼砌四邊形
画直线等分三角形的面积
球体的体积推导
Discover Resources
八年级奥数之双曲线
波的干涉 Wave Interference
National_Flag
國旗
双曲线旋转
Discover Topics
Constructions
Inequalities
Circumcircle or Circumscribed Circle
Solids or 3D Shapes
Indefinite Integral