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GeoGebra Класна стая
GeoGebra
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transformation_enlarge/reduction
Author:
maths324324
GeoGebra
Нови ресурси
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
判斷球體
兩位數除以一位數（二）
算柱 (兩位數)
Discover Resources
用面積逼近圓周率
相似三角形(一)
正弦函數y=sin(x)的泰勒級數
Quiz on Addition and Subtraction of Directed Numbers (2)
椭圆内反射