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題 2
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
錐體建築師
四邊形的特性
兩組對邊相等的四邊形
找出對稱軸
三位數除以一位數（二）
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waaachen
方格紙上畫梯形3
正方體的反射對稱2
高二上線性規劃_10
圖解配方法
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Kite
Volume
Linear Equations
Arithmetic
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