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鉛筆畫圓
Author:
30張婷淯
GeoGebra
New Resources
四邊形的特性
異分母分數減法
第八周作业
兩位數除以一位數（一）
兩組對邊相等的四邊形
Discover Resources
商高定理之正三角形2
cube
正弦线与直线
幂函数
杨辉三角形
Discover Topics
Orthocenter
Parallelogram
Translation
Surface
Square