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橢圓練習
Author:
ryan huang
GeoGebra
New Resources
畫出對稱圖形
找出對稱軸
三位數除以一位數（二）
【案例】2013年安徽高考15题
拼砌四邊形
Discover Resources
初心者的進化
正5角錐
扇形面積
小四平面圖形學習單
擲兩個硬幣的機率分布的副本
Discover Topics
Isosceles Triangles
Cuboid
Linear Programming or Linear Optimization
Limits
Rational Numbers