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題 7
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
拼砌四邊形
找出對稱軸
異分母分數減法
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
Discover Resources
小二、小三_時間（教師版）
Pappus 定理
義守財數101級製作
ghk106a07 圓半徑與外切、外離關係
折纸角度探究2
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Statistics
Correlation
Pyramid
Geometric Mean
Special Points