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Reflection 反射變換
Author:
Alex CHIK
Topic:
Reflection
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
球体的体积推导
三位數除以一位數（二）
異分母分數減法
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
Discover Resources
對稱求最小
Translation, Reflection and Rotation
tetrahedron_rotation
ppppp
Illusion-外凸的正方形
Discover Topics
Median Value
Fractions
Pyramid
Secant Line or Secant
Variance