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甜甜圈v5
Author:
lin yiju
GeoGebra
New Resources
兩位數加法
拼砌四邊形
【案例】2013年安徽高考15题
四邊形的特性
畫出對稱圖形
Discover Resources
直线与椭圆
共點線1
S3 Percentages
GGBex2
分數應用題：比較兩數的大小
Discover Topics
Indefinite Integral
Inequalities
Optimization Problems
Exponent
Scatter Plot