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優良作品2
Author:
Ching-Hui Chou
GeoGebra
New Resources
【案例】2013年安徽高考15题
異分母分數減法
球體建築師
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
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極座標方程式
行星運動
Copy of Quadratic Graph - QESOSASS
动点问题
线性规划
Discover Topics
Boxplot
Straight Lines
Binomial Distribution
Matrices
Set Theory