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圖三 的複本
Author:
twtsams
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
近似值：有效數字
兩位數加法
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
兩位數除以一位數（一）
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七巧板揖人2
以剪貼比較圖形大小 題1
No.3
If指令的應用1
運用量角器量度以下角度
Discover Topics
Line Segment
Cone
Right Triangles
Median Value
Dilation