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Locus 軌跡(5T)
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
畫出對稱圖形
sanjiaohanshu
兩位數除以一位數（一）
兩組對邊相等的四邊形
兩位數除以一位數（二）
Discover Resources
regular tetrahedron in a cube
[問題] G1, G2, G3 為△ACG, △ABG, △BCG 的重心
以剪貼比較圖形大小 題1
Internal tangent
三角形面積公式 1/2 bc sinA的副本
Discover Topics
Statistical Characteristics
Arithmetic Operations
Function Graph
Step Functions
Fractions