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Locus 軌跡(1T)
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
兩位數加法
四邊形的特性
兩組對邊相等的四邊形
兩位數除以一位數（二）
画直线等分三角形的面积
Discover Resources
vector addition and subtraction
supplementary
圓與正方形中點軌跡1060317
-1 ≤ cosA cosB cosC ≤ 1/8
直线与平面垂直的折纸实验
Discover Topics
Geometric Distribution
Terms
Complex Numbers
Tree Diagrams
Ratios