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第9题
Author:
叶伟东
第9题
GeoGebra
New Resources
拼砌四邊形
兩位數除以一位數（二）
GeoGebra笔记功能体验课件
畫出對稱圖形
【案例】2018年全国1卷理科12题
Discover Resources
polygon(first upload)
階梯問題
拋物線1-焦點法
初中数学
幂函数
Discover Topics
Cone
Division
Fractions
Power Functions
Parallelogram