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一线三等角模型
Author:
辛贺华
GeoGebra
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兩位數除以一位數（二）
畫出對稱圖形
GeoGebra笔记功能体验课件
拼砌四邊形
異分母分數減法
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百分數的應用
會逗留的折線
[問題] 點 (4,7) 到 3x+4y = 0 的距離為何？
(003)80201辛宇婕
数线段
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Surface
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Orthocenter
Quadratic Functions
Bar Chart or Bar Graph