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Author:HYHivy, GeoGebra Institute of Hong Kong

計算下圖的面積。

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兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
兩位數除以一位數（二）
【案例】圆柱体内放置一个大球六个小球
找出對稱軸

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GeoGebra Book
劉虹圻ㄉ所有作品都在這喔~~~~
拼出三角形的副本
sin(x) 的函數圖形的複本

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