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轴对称的两点的动画演示.许兴华数学
Author:
许兴华数学
Topic:
Geometry
,
Symmetry
GeoGebra
New Resources
兩組對邊相等的四邊形
找出對稱軸
三位數除以一位數（二）
【案例】2013年安徽高考15题
三位數除以一位數（一）
Discover Resources
equation of circle
test03繪本用
directed number_the age of father and son
Geometry : Types of Angles (幾何：角的種類)
旋轉指令
Discover Topics
Mode
Perimeter
Geometric Mean
Expected Value
Probability