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圖一
Author:
GeoGebra Institute of Hong Kong
Topic:
Circle
GeoGebra
New Resources
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
拼砌四邊形
兩位數除以一位數（二）
Discover Resources
Ratio of angles at the centre and the length of the arcs.
表面積
簡單動畫
固定周界長方形的面積變化（一）
circle
Discover Topics
Tree Diagrams
Random Variables
Vectors 3D (Three-Dimensional)
Planes
Binomial Distribution