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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
三位數除以一位數（二）
三位數除以一位數（一）
球體建築師
四邊形的特性
画直线等分三角形的面积
Discover Resources
橢圓教學_2016
周界平移
area
圓切三半圓
识货
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Boxplot
Parallelogram
Exponential Functions
Tangent Line or Tangent
Logarithm