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題4
Author:
ylmapsstudent
GeoGebra
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兩組對邊相等的四邊形
四邊形的特性
畫出對稱圖形
四邉形 (四年級) 教師版
兩位數除以一位數（一）
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畫方格
九點圓
一元二次方程式-應用問題(兩圓相切-2)
科技化數學教學應用X腳踏車自造課程in彰師大(2018)
路旁的树
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Equilateral Triangles
Vectors
Arithmetic Mean
Functions
Exponent