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Question 2
Author:
Shum Kwok Ching
GeoGebra
New Resources
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
錐體建築師
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
Discover Resources
GGB動畫
SIN伸縮平移
答重庆杨志友椭圆的定义
函数情调
三角函数的副本
Discover Topics
Straight Lines
Rational Numbers
Tangent Line or Tangent
Random Variables
Fractal Geometry