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Author:
s10455035
GeoGebra
New Resources
四邉形 (四年級) 教師版
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
錐體建築師
三位數除以一位數（一）
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畫三角形 題3c
Angle Sum in a Triangle
一次函數平移(進階)
My second work
angle between 2 planes 02