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把三角形分類 的複本
Author:
Tony Cheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
球體建築師
画直线等分三角形的面积
【案例】圆柱体内放置一个大球六个小球
兩位數除以一位數（一）
畫出對稱圖形
Discover Resources
index
路徑一動畫
優良作品1(沛綺)
走进图形世界
兩組對邊相等的四邊形（三年級）
Discover Topics
Parabola
Frequency Distribution
Random Experiments
Inequalities
Vectors 2D (Two-Dimensional)