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題 7
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
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兩位數加法
三位數除以一位數（一）
【案例】2013年安徽高考15题
兩位數除以一位數（一）
兩組對邊相等的四邊形
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Geogebragoodone
減法
中線定理(阿波羅尼奧斯)定理推廣二：向四邊形推廣
救生員區域
勾股定理
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Right Triangles
Incircle or Inscribed Circle